{"title":"4 Stroke","description":"","products":[{"product_id":"yoshimura-rs-9t-full-exhaust-system-s-steel-alu-carbon-cap-honda-crf250r-rx-18-21","title":"Yoshimura RS-9T Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Honda CRF250R\/RX 18-21","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-9T Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Honda CRF250R\/RX 18-21\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eThe CRF250R's new twin cam engine and unique muffler configuration gave us the opportunity to create an entirely new system built specifically for the new dual port cylinder and its unique downdraft fuel injection system. We've developed our potent RS-9T Signature Series exhausts to provide more bottom end power and improved torque for the new high-revving engine. The distinctive dual header design is a brand new innovation from Honda. Deriving from Moto 3 bikes in Moto GP, Honda has found a new way to look at Motocross power delivery. Honing the power, engineers in Japan develop is what we at Yoshimura do, and we have found some great additions for the new CRF250R.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eNot only increasing the bottom, mid and top power, we have been able to reduce the weight from stock by half a pound, as well as an overall decrease in dB noise level of the stock system.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eSome features on the new RS-9T dual system for the CRF250R include:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eDyno and track tested by Honda R\u0026amp;D in Japan, and HRC All Japan MX Racing Team\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eUnique twin header design allows for more bottom end power and torque\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eLarger RS-9T core creates improved throttle response, and power in mid and top-end\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eNew RS-9T dual mufflers have more volume than stock to provide a decrease in overall dB noise level\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003e\u003cspan style=\"font-size: small;\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/span\u003e\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan style=\"font-size: small;\"\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003e\u003cspan style=\"font-size: small;\"\u003eVEHICLE FITMENT\u003c\/span\u003e\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250R 2018\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250R 2019\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250R 2020\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250R 2021\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250RX 2019\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250RX 2020\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eHonda CRF250RX 2021\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165805805795,"sku":"800332","price":1480.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/22843AR520_7__99785.jpg?v=1658867400"},{"product_id":"yoshimura-rs-9t-slip-on-pair-s-steel-carbon-cap-honda-crf250-20-21","title":"Yoshimura RS-9T Slip On Pair (S.Steel\/Carbon Cap) Honda CRF250 20-21","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-9T Slip On Pair (S.Steel\/Carbon Cap) Honda CRF250 20-21\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eThe Honda CRF250R has been refined even more for 2020, and now incorporates a new slip-on configuration.\u003c\/p\u003e \u003cp\u003eKnown for excellence in sound and performance, our RS-9T Signature Series dual slip-on system provides great addition of HP and torque between 6-9,000 RPM range adding 10% max HP and 8.3% max torque.\u003c\/p\u003e \u003cp\u003eOptional SA-14-K spark arrester kit is available when it's time to head to the forest\/trails.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eHonda CRF250R 2020\u003c\/li\u003e \u003cli\u003eHonda CRF250R 2021\u003c\/li\u003e \u003cli\u003eHonda CRF250RX 2020\u003c\/li\u003e \u003cli\u003eHonda CRF250RX 2021\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165805838563,"sku":"800334","price":1312.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/22844BR520_1__46350.jpg?v=1658867402"},{"product_id":"yoshimura-rs-9t-full-exhaust-system-s-steel-alu-carbon-cap-honda-crf450r-rx-17-20","title":"Yoshimura RS-9T Full Exhaust System (S.Steel\/Alu Carbon Cap) Honda CRF450R\/RX 17-20","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-9T Full Exhaust System (S.Steel\/Alu Carbon Cap) Honda CRF450R\/RX 17-20\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eThe CRF450R's new engine and muffler configuration gave us the opportunity to create an entirely new system built specifically for the new CRF450 machines. Introducing our all-new Signature Series RS-9T tapered dual muffler exhaust system for the all new CRF450R.\u003c\/p\u003e \u003cp\u003eYoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass centralization, to optimize rider usability. Yoshimura achieved all this by moving the new RS-9T mufflers forward in order to tuck in under the side number plates. Working with HRC race engineers and the all-new 449cc Unicam engine and its unique downdraft fuel injection system, Yoshimura was able to deliver an exhaust that provides more tractable power and improved torque.\u003c\/p\u003e \u003cul\u003eSome features on the new RS-9T dual tapered muffler CRF450R\/RX system include: \u003cli\u003eDyno and track tested by Honda R\u0026amp;D in Japan, American Honda MX Team, and HRC All Japan MX Racing Team\u003c\/li\u003e \u003cli\u003e3-stage header provides broader overall range of power and throttle response\u003c\/li\u003e \u003cli\u003eNew tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe\u003c\/li\u003e \u003cli\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization\u003c\/li\u003e \u003cli\u003eLarger RS-9T core creates improved throttle response, and power in mid and top end\u003c\/li\u003e \u003cli\u003eNew RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level\u003c\/li\u003e \u003cli\u003eWorks with or without Honda's new optional electric start system\u003c\/li\u003e \u003cli\u003eStainless Steel Header and Tail-pipe\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eHonda CRF450R 2017\u003c\/li\u003e \u003cli\u003eHonda CRF450R 2018\u003c\/li\u003e \u003cli\u003eHonda CRF450R 2019\u003c\/li\u003e \u003cli\u003eHonda CRF450R 2020\u003c\/li\u003e \u003cli\u003eHonda CRF450R S 2022\u003c\/li\u003e \u003cli\u003eHonda CRF450RX 2017\u003c\/li\u003e \u003cli\u003eHonda CRF450RX 2018\u003c\/li\u003e \u003cli\u003eHonda CRF450RX 2019\u003c\/li\u003e \u003cli\u003eHonda CRF450RX 2020\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165805871331,"sku":"800326","price":1530.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/225840R520_CRF450R_17-19_RS9T_FS_SS-SS-CF_1White__42520.jpg?v=1658867404"},{"product_id":"yoshimura-rs-4-full-exhaust-system-stainless-alu-carbon-cap-kawasaki-kxf250-17-20","title":"Yoshimura RS-4 Full Exhaust System (Stainless\/Alu\/Carbon Cap) Kawasaki KXF250 17-20","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-4 Full Exhaust System (Stainless\/Alu\/Carbon Cap) Kawasaki KXF250 17-20\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eThe work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research \u0026amp; development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e \u003cli\u003eFront muffler cap functions as a polyresonant chamber which helps reduce noise\u003c\/li\u003e \u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e \u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e \u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e \u003cli\u003eWeight: 0.4 lbs lighter than stock configuration\u003c\/li\u003e \u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eKawasaki KX250F 2017\u003c\/li\u003e \u003cli\u003eKawasaki KX250F 2018\u003c\/li\u003e \u003cli\u003eKawasaki KX250F 2019\u003c\/li\u003e \u003cli\u003eKawasaki KX250F 2020\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165805969635,"sku":"800349","price":977.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/242930D320_1__64210.jpg?v=1658867407"},{"product_id":"yoshimura-rs-12-full-exhaust-system-kawasaki-kxf250-2021","title":"Yoshimura RS-12 Full Exhaust System Kawasaki KXF250 2021-2024","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (Stainless\/Aluminium\/Carbon Cap) Kawasaki KXF250 21-23\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn a word, POWER! That's what our new RS-12 Signature Series full systems delivers for the all new Kawasaki KX250 Motocross machine.\u003c\/p\u003e\n\u003cp\u003eOur new RS-12 adds lots of power to the new and improved 249cc Kawasaki powerplant. The goal was to add more usable power and torque to almost the entire power curve. Boasting an increase of max HP of 4.5% (at 12,000 rpm) and a max torque increase of 7.7% (at 6,700 rpm) RS-12 lays the power down to where it needs to be!\u003c\/p\u003e\n\u003cp\u003eOf course the RS-12 has more features than just power. Its machined joints, PTF sound inserts, asymmetrical shape are all performance enhancing. With a matte carbon fiber end cap and that Yoshimura bark will make your KX250 the most distinctive on the track!\u003c\/p\u003e\n\u003cp\u003eYoshimura RS-12 and the 2021 Kawasaki KX250 are ready for the podium!\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan\u003eKawasaki KX250 RS-12 Features and benefits:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward in the new Kawasaki chassis thus helping with weight centralization without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined linear power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eKawasaki KX250F 2021\u003c\/li\u003e\n\u003cli\u003eKawasaki KX250X 2021\u003c\/li\u003e\n\u003cli\u003eKawasaki KX250F 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806002403,"sku":"800350","price":1212.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/244720S320_KX450_2021_RS12_FS_SS-SS-CF_3Gray_2048_2048x2048_6bf06f0c-7a0e-4d83-bc05-d8c60c6d4297.jpg?v=1709067146"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-suzuki-rm-z250-19-21","title":"Yoshimura RS-12 Full Exhaust System Suzuki RM-Z250 2019-2023 (S.Steel\/Alu\/Carbon Cap) Suzuki RM-Z250 2019-2023","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Suzuki RM-Z250 19-21\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eAfter over three years in development and testing we are pleased to announce the RS-12 is here! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a will to raise the bar, our RS-12 has now arrived for the Suzuki RM-Z250.\u003c\/p\u003e \u003cp\u003eWe considered all the details when it came to the RS-12. One look and you can see it's like nothing else on the market. As you get closer you will notice the details in every place on our new dirt bike system, from the matte carbon fiber end cap with decal inlays to the precise machined joints, this system is next level.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDeveloped and tested in the heat of over 24 months of factory level racing\u003c\/li\u003e \u003cli\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper\u003c\/li\u003e \u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e \u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e \u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e \u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e \u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e \u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e \u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e \u003cli\u003eYoshimura Full system weight 8.5 lbs. vs Stock Weight 8.7lbs\u003c\/li\u003e \u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eSuzuki RM Z250 2019\u003c\/li\u003e \u003cli\u003eSuzuki RM Z250 2020\u003c\/li\u003e \u003cli\u003eSuzuki RM Z250 2021\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806133475,"sku":"800321","price":799.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/218320S320_RMZ250_19-20_RS12_FS_SS-AL-CF_3Gray_2048x2048_64a2040b-1ee6-41ef-8dcd-4d9c6ea90bbd.jpg?v=1709102962"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-suzuki-rm-z450-18-21","title":"Yoshimura RS-12 Full Exhaust System Suzuki RM-Z450 2018-2024 (S.Steel\/Alu\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Suzuki RM-Z450 18-24\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAfter over three years in development and testing we are pleased to announce the RS-12 is here! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a will to raise the bar, our RS-12 has now arrived for the 2018-20 Suzuki RM-Z450.\u003c\/p\u003e\n\u003cp\u003eWe considered all the details when it came to the RS-12. One look and you can see it's like nothing else on the market. As you get closer you will notice the details in every place on our new dirt bike system, from the matte carbon fiber end cap with decal inlays to the precise machined joints, this system is next level.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped and tested in the heat of over 24 months of factory level racing\u003c\/li\u003e\n\u003cli\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eYoshimura Full system weight 8.4 lbs. vs Stock Weight 9.5lbs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eSuzuki RM Z450 2018\u003c\/li\u003e\n\u003cli\u003eSuzuki RM Z450 2019\u003c\/li\u003e\n\u003cli\u003eSuzuki RM Z450 2020\u003c\/li\u003e\n\u003cli\u003eSuzuki RM Z450 2021\u003c\/li\u003e\n\u003cli\u003eSuzuki RM Z450 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806166243,"sku":"800322","price":799.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/219220S320_RMZ450_18-20_RS12_FS_SS-AL-CF_3Gray_2048x2048_8967cc56-4902-438b-a6d5-1ae35ffe6275.jpg?v=1709103406"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-yamaha-yz250f-19-21","title":"Yoshimura RS-12 Full Exhaust System Yamaha YZ250F 2019-2023 (S.Steel\/Alu\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha YZ250F 19-23\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt's here! The RS-12 for the Yamaha YZ250F!\u003c\/p\u003e\n\u003cp\u003eAfter over three years in development and testing we are pleased to announce our RS-12 is here for the Yamaha YZ250F! With the help of incredibly talented factory sponsored athletes, technicians, devoted engineers and a will to raise the bar, our RS-12 has now arrived for the current Yamaha.\u003c\/p\u003e\n\u003cp\u003eWe considered all the details when it came to the RS-12. One look and you can see it's like nothing else on the market. As you get closer you will notice the details in every place on our new dirt bike system, from the matte carbon fiber end cap with decal inlays to the precise machined joints, this system takes it to the next level.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNEW YZ250F RS-12 Features and benefits\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers an inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806199011,"sku":"800342","price":999.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/299A7636_2048pix_2048x2048_9e0b2e6a-a892-48d6-8716-caef5c765d48.jpg?v=1709067524"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-yamaha-yz450f-20-21","title":"Yoshimura RS-12 Full Exhaust System Yamaha YZ450F 2020-2022 (S.Steel\/Alu\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha YZ450F 20-22\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eYamaha' s YZ450F is one the bikes that seems to win the accolades of media testers of almost every level. We set out to make an even better experience with big blue.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt's no secret that the YZ450F has tons of power and torque, so we focused on smoothing the transition of both. Our new RS-12 responded perfectly, maximizing mid \/ top power and torque to boot! With the power transition smoothed out the YZ450F has more connectivity to the dirt, enabling you to focus on other things...like winning!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in durable stainless steel with an iconic aluminum muffler, our new RS-12 Signature Series exhaust system is the best exhaust system for the YZ450F hands down.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNEW YZ250F RS-12 Features and benefits\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha YZ450F 2020\u003c\/li\u003e\n\u003cli\u003eYamaha YZ450F 2021\u003c\/li\u003e\n\u003cli\u003eYamaha YZ450F 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806231779,"sku":"800346","price":1129.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/234830S320_YZ450F_20-21_RS12_FS_SS-AL-CF_3Gray_2048x2048_13369d2a-28de-4e5b-a6fd-58b056b8f02b.jpg?v=1709102421"},{"product_id":"yoshimura-rs-4-slip-on-alu-carbon-cap-yamaha-yz450f-20-21","title":"Yoshimura RS-4 Slip On (Alu\/Carbon Cap) Yamaha YZ450F 20-21","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-4 Slip On (Alu\/Carbon Cap) Yamaha YZ450F 18-22 WR450F 19-22\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eThe 2020 Yamaha YZ450F has undergone significant changes in both motor and chassis refinements, and seems to be the 450 that many are choosing.\u003c\/p\u003e \u003cp\u003eIt's no secret that the Yamaha YZ450F has a very good stock system that many of our competitors can't beat. We spent a lot of R\u0026amp;D time in the dyno room and track to create our RS-4 Signature Series to what we think is the best aftermarket exhaust for the new YZ.\u003c\/p\u003e \u003cp\u003eProudly made in the USA!\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e \u003cli\u003eFront muffler cap functions as a poly-resonant chamber which helps reduce noise\u003c\/li\u003e \u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e \u003cli\u003eCarbon fiber end-cap\u003c\/li\u003e \u003cli\u003eStainless steel tail-pipe\u003c\/li\u003e \u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eYamaha WR450F 2019\u003c\/li\u003e \u003cli\u003eYamaha WR450F 2020\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2018\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2019\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2020\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2021\u003c\/li\u003e \u003cli\u003eYamaha YZ450FX 2019\u003c\/li\u003e \u003cli\u003eYamaha YZ450FX 2020\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2022\u003c\/li\u003e \u003cli\u003eYamaha WR450F 2021\u003c\/li\u003e \u003cli\u003eYamaha WR450F 2022\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806297315,"sku":"800347","price":649.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/234832D320_1__98837.jpg?v=1658867422"},{"product_id":"yoshimura-rs-4-full-exhaust-system-s-steel-alu-carbon-cap-yamaha-wrf450-19-21","title":"Yoshimura RS-4 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha WRF450 19-21","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-4 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha YZF450 18-19 WRF450 19-21\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eFor 2018 Yamaha made some major refinements to the already potent YZ450F. Adding to the usable and tractable power is how we make the new YZ450F even better.\u003c\/p\u003e \u003cp\u003eNow there can be more power to rip holeshots, yet making the bike user friendly at the end of the moto when your right hand gets a little frisky.The new Yoshimura RS-4 Signature Series full system adds 2.8% more h.p. and 1.4 ft-lb. more torque to give the rider better, more linear throttle response.\u003c\/p\u003e \u003cp\u003eProudly made in the USA!\u003c\/p\u003e \u003cul\u003e \u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e \u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eYamaha WR450F 2019\u003c\/li\u003e \u003cli\u003eYamaha WR450F 2020\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2018\u003c\/li\u003e \u003cli\u003eYamaha YZ450F 2019\u003c\/li\u003e \u003cli\u003eYamaha YZ450FX 2019\u003c\/li\u003e \u003cli\u003eYamaha YZ450FX 2020\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806330083,"sku":"800345","price":749.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/234820D320_1__51064.jpg?v=1658867424"},{"product_id":"yoshimura-replacement-exhaust-rivet-aluminium-black-3mm","title":"Yoshimura Replacement Exhaust Rivet (Aluminium Black) 3mm","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura Replacement Exhaust Rivet (Aluminium Black) 3mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eIndividual Rivet required for Name Plate \/ Badge Replacement\u003c\/p\u003e \u003cul\u003e \u003cli\u003e1\/8\" Black Aluminum Rivet\u003c\/li\u003e \u003cli\u003eSold Each\u003c\/li\u003e \u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806395619,"sku":"N-RIVETMG-BLK","price":1.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/N-RIVETM-BLK_A_L__27227.jpg?v=1709109623"},{"product_id":"yoshimura-replacement-exhaust-rivet-alu-ti-exhaust","title":"Yoshimura Replacement Exhaust Rivet (Alu\/Ti Exhaust)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura Replacement Exhaust Rivet (Alu\/Ti Exhaust)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eEnd caps are usually the casualty when tip-overs happen. Never fear we have what you need! End cap kits include all you need to get your muffler looking good again.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806559459,"sku":"AC-RIVET","price":2.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/AC-RIVET__52896.jpg?v=1709109579"},{"product_id":"yoshimura-replacement-rs-4-exhaust-logo-metal","title":"Yoshimura Replacement RS-4 Exhaust Logo (Metal)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura Replacement RS-4 Exhaust Logo (Metal)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRS-4 \/ RS-4D Replacement Name Plate\u003c\/li\u003e \u003cli\u003eLocated on inner-side of muffler\u003c\/li\u003e \u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806657763,"sku":"RS4-NB001","price":12.94,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/RS4-NB001__54919_4b6b5ec4-7735-4176-8595-8e2a26f55fbd.jpg?v=1709110201"},{"product_id":"yoshimura-replacement-exhaust-nameplate-rivet","title":"Yoshimura Replacement Exhaust Nameplate Rivet","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura Replacement Exhaust Nameplate Rivet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eIndividual Rivet required for Name Plate\/Badge Replacement\u003c\/p\u003e \u003cul\u003e \u003cli\u003e1\/8\" Aluminum Locking Rivet\u003c\/li\u003e \u003cli\u003e0.031\" - 0.187\" Grip Range\u003c\/li\u003e \u003cli\u003eSold Each\u003c\/li\u003e \u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806690531,"sku":"N-RIVET","price":1.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/N-RIVET__11242.jpg?v=1709109506"},{"product_id":"yoshimura-rs-12-slip-on-s-steel-carbon-cap-honda-crf450r-21-22","title":"Yoshimura RS-12 Slip On (S.Steel\/Carbon Cap) Honda CRF450R 21-22","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Slip On (S.Steel\/Carbon Cap) Honda CRF450R 21-22\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eThe most anticipated 450cc motocross bike for 2021 is here! With an all-new designed chassis and engine, the new Honda CRF450 is sure to set new records.\u003c\/p\u003e \u003cp\u003eOur new RS-12 system for the new Honda CRF450 has been in development for over a year, no stone has been left unturned in our efforts to innovate and create the best exhaust system available. In collaboration with Honda Japan, HRC Honda and MXGP World Champion Tim Gajser, we were able to deliver!\u003c\/p\u003e \u003cp\u003eThe Yoshimura RS-12 and the 2021 Honda CRF450—made with one goal to provide the most precision tuned machine in motocross competition.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDeveloped and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers the new RS-12 is ready for the race track and trails.\u003c\/li\u003e \u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e \u003cli\u003eUnique oval manifold design was created using FEA process (Finite Element Analysis) and produced using state-of-the-art hydroforming process\u003c\/li\u003e \u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e \u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e \u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e \u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e \u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e \u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e \u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e \u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e \u003c\/ul\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e \u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e \u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e \u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003cdiv class=\"product-single__reviews\"\u003e \u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e \u003cul\u003e \u003cli\u003eHonda CRF450R 2021\u003c\/li\u003e \u003cli\u003eHonda CRF450R 2022\u003c\/li\u003e \u003cli\u003eHonda CRF450RX 2021\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806723299,"sku":"800330","price":849.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/225850S320_CRF450R_2021_RS12_FS_SS-SS-CF_slip_on_1__62843.jpg?v=1659822635"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-s-steel-carbon-cap-honda-crf250r-2022","title":"Yoshimura RS-12 Full Exhaust System Honda CRF250R 2022-2024 (S.Steel\/S.Steel\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/S.Steel\/Carbon Cap) Honda CRF250R 2022-2024\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eJust a sneak peek, fresh off Yoshimura's R\u0026amp;D work benches is our RS-12 exhaust system options for the most anticipated 250cc motocross bike of 2022, the all-new Honda CRF250R.\u003c\/p\u003e\n\u003cp\u003eLeaning on many of its bigger sibling's handling and styling cues, the new Honda CRF250R boasts many new features. It's lighter, more agile and is sure to be up to the task of reaching top podium results!\u003c\/p\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv class=\"product-single__accordion__item js-accordion-info js-active\" id=\"acc-1\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv class=\"product-single__accordion__item js-accordion-info js-active\" id=\"acc-fitment\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv data-id=\"\" id=\"shopify-product-fitment\"\u003e\n\u003cul\u003e\n\u003cli\u003eHonda CRF250R 2022-2024\u003c\/li\u003e\n\u003cli\u003eHonda CRF250RX 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806756067,"sku":"800335","price":1405.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/228450S320_CRF250R_2022_RS12_FS_SS-SS-CF_3Gray_2048x2048_0aaac66e-b9b0-441b-b0ab-28fc16894a1c.jpg?v=1708645713"},{"product_id":"yoshimura-rs-12-full-exhaust-system-ti-carbon-cap-honda-crf250r-2022","title":"Yoshimura RS-12 Full Exhaust System (Ti\/Carbon Cap) Honda CRF250R 2022-2023","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (Ti\/Carbon Cap) Honda CRF250R 2022-2023\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eJust a sneak peek, fresh off Yoshimura's R\u0026amp;D work benches is our RS-12 exhaust system options for the most anticipated 250cc motocross bike of 2022, the all-new Honda CRF250R.\u003c\/p\u003e\n\u003cp\u003eLeaning on many of its bigger sibling's handling and styling cues, the new Honda CRF250R boasts many new features. It's lighter, more agile and is sure to be up to the task of reaching top podium results!\u003c\/p\u003e\n\u003cp\u003eWe are finalizing all of the data before official release what are sure to be the best performing exhaust systems for the new 2022 CRF250R\/RX.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eHonda CRF250R 2022\u003c\/li\u003e\n\u003cli\u003eHonda CRF250RX 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806788835,"sku":"800337","price":1794.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/228450S320_CRF250R_2022_RS12_FS_SS-SS-CF_2__18720.jpg?v=1659822437"},{"product_id":"yoshimura-rs-12-slip-on-s-steel-carbon-cap-honda-crf250r-2022","title":"Yoshimura RS-12 Slip On Honda CRF250R 2022-2024 (S.Steel\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Slip On (S.Steel\/Carbon Cap) Honda CRF250R 2022-2024\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eJust a sneak peek, fresh off Yoshimura's R\u0026amp;D work benches is our RS-12 exhaust system options for the most anticipated 250cc motocross bike of 2022, the all-new Honda CRF250R.\u003c\/p\u003e\n\u003cp\u003eLeaning on many of its bigger sibling's handling and styling cues, the new Honda CRF250R boasts many new features. It's lighter, more agile and is sure to be up to the task of reaching top podium results!\u003c\/p\u003e\n\u003cp\u003eWe are finalizing all of the data before official release what are sure to be the best performing exhaust systems for the new 2022 CRF250R\/RX.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eSIGNATURE SERIES EXHAUST SYSTEM\u003c\/h4\u003e\n\u003cdiv id=\"acc-1\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\u003cspan\u003eIntroducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV\/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003ch4 class=\"product-single__accordion__title-text\"\u003eVEHICLE FITMENT\u003c\/h4\u003e\n\u003cdiv id=\"acc-fitment\" class=\"product-single__accordion__item js-accordion-info js-active\"\u003e\n\u003cdiv class=\"product-single__accordion__item-wrap rte\"\u003e\n\u003cdiv class=\"product-single__reviews\"\u003e\n\u003cdiv id=\"shopify-product-fitment\" data-id=\"\"\u003e\n\u003cul\u003e\n\u003cli\u003eHonda CRF250R 2022\u003c\/li\u003e\n\u003cli\u003eHonda CRF250RX 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806854371,"sku":"800338","price":1054.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/228452S320_CRF250R_2022_RS12_SO_SS-SS-CF_3Gray_2048_2048x2048_46cb0e6e-0703-4279-b0e3-81b3449a2dd6.jpg?v=1708646076"},{"product_id":"yoshimura-replacement-rs-4-exhaust-logo-sticker-self-adhesive","title":"Yoshimura Replacement RS-4 Exhaust Logo Sticker 2pcs","description":"\u003cp\u003e\u003cstrong\u003eYoshimura Replacement RS-4 Exhaust Logo Sticker 2pcs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRS-4 Replacement Decal\u003c\/li\u003e\n\u003cli\u003eLocated on outside of end-cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165806919907,"sku":"RS4-NB004","price":35.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/RS4-NB002__25825_d5e5b1df-3a5c-431b-9e21-f5861e74ba4f.jpg?v=1709110469"},{"product_id":"yoshimura-replacement-rs-12-carbon-end-cap","title":"Yoshimura Replacement RS-12 Carbon End Cap","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eFits all RS-12 mufflers. Made in our composites shop in Chino, California with heat resistant pre-impregnated, matte finished lightweight carbon fibre. This replacement carbon fiber end cap kit has all the parts you need to do an end cap swap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003eKit includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eMatte finish carbon fiber end cap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eRS-12 Complete sticker kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eRivets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: small;\"\u003eSound Insert hole grommet\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43165808591075,"sku":"800371","price":119.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/RS-12_CAP__38004.1646300516.1280.1280__68501.jpg?v=1667378487"},{"product_id":"yoshimura-replacement-exhaust-spring","title":"Yoshimura Replacement Exhaust Spring","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura Replacement Exhaust Spring \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"46mm","offer_id":43165814128867,"sku":"RACE-SPX-2","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"59mm","offer_id":43165814096099,"sku":"RACE-SPS-1","price":8.99,"currency_code":"GBP","in_stock":false},{"title":"66mm","offer_id":43165814030563,"sku":"RACE-82MM","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"76mm","offer_id":43165814063331,"sku":"RACE-SPL-1","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/products\/RACE-SPX-2__49244.jpg?v=1676932221"},{"product_id":"copy-of-yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-honda-crf450r-2021","title":"Yoshimura RS-12 Full Exhaust System KTM\/Husqvarna SX-F\/FC250 2023 (S.Steel\/S.Steel\/Carbon Cap)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan\u003eIntroducing the newest RS-12 full system from Yoshimura R\u0026amp;D of America for the 2023 KTM SX-F250 and 2023 Husqvarna FC250.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Austrian 250 engine that is the heart of the KTM and Husqvarna is a brand-new platform for the 2023 machines. Our R\u0026amp;D engineers focused on getting the new powerplant to carry power all the way through the range. Now, the RS-12 provides the racer a much more wider power curve while adding 2.7% max HP and 2.6% max torque. Better than stock, you bet!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system and the new one we just introduced for the Austrian 450 models are the first Yoshimura production motocross exhausts to incorporate a resonator on the header and in the muffler. This new header resonator unlocks bottom and midrange power to not only make the new Austrian bikes more powerful, but provides additional overrev.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe RS-12 proudly developed, designed, and made in the USA.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43490015346915,"sku":"262540S320","price":1099.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/262540S320_FC250_2022_RockstarEdition_RS12_FS_SS-SS-CF_3Gray_2048x2048_4fb48165-79df-47cf-9192-1aa872f7a1c7.jpg?v=1709108739"},{"product_id":"copy-of-yoshimura-rs-12-full-exhaust-system-s-steel-s-steel-carbon-cap-ktm-husqvarna-sx-f-fc250-2023","title":"Yoshimura RS-12 Full Exhaust System KTM SXF 450 23-24, Husqvarna FC450 23-24 (S.Steel\/S.Steel\/Carbon Cap)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIntroducing the newest RS-12 full system from Yoshimura R\u0026amp;D of America for the 2023 KTM SX-F 450 and 2023 Husqvarna FC450. We got to work as soon as we could developing a system that would not only perform better than stock but one that would make the new 450's more controllable and more connected. Days of dyno and rider testing put our new RS-12 Signature Series exactly where we wanted it. Packing lots of punch for these two 450cc European machines.\u003c\/span\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis new system is the first Yoshimura production motocross exhaust to incorporate a resonator on the header and in the muffler. This new header resonator unlocks bottom and midrange power to not only make the new Austrian bikes more powerful, but provides more rider connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe RS-12 proudly developed, designed, and made in the USA.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43490022981859,"sku":"264630S320","price":1169.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/264630S320_450SXF_2022_RS12_FS_SS-AL-CF_3Gray_2048x2048_00e4cac1-5efc-47f3-9033-2a68e31cc333.jpg?v=1709109396"},{"product_id":"yoshimura-rs-12-full-exhaust-system-s-steel-alu-carbon-cap-yamaha-yz450f-2023-2024","title":"Yoshimura RS-12 Full Exhaust System Yamaha YZ450F 2023-2025 (S.Steel\/Alu\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha YZ450F 23-25\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eI\u003c\/p\u003e\n\u003cp\u003eThe mighty Yamaha YZ450F is practically all new for 2023 and ready to inspire new MX champions everywhere.\u003c\/p\u003e\n\u003cp\u003eLets get right to it...the stock system on the Yamaha YZ450F was hard to improve, but we did! The magic of the right tube diameter, right length then our RS-12 was called in to do the work that it was designed to do...perform! Adding power and torque everywhere across the spectrum of the new YZ450 wasn't easy but it was accomplished. Max HP is increased by 8% and max torque is bumped an incredible 13%!\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 system unlocked some key power in the right places. The lower and mid RPM range is really enhanced while not disrupting the handling characteristics on the new YZ chassis. Riding with this new added power really made testing the new system a fun project.\u003c\/p\u003e\n\u003cp\u003eOther highlights of the RS-12 system are the machined joints on the key tube junctions to insure a good clean interface between joints. A built in resonator chamber on the muffler, a matte carbon fiber end cap and a PTF low volume sound insert completes the RS-12.\u003c\/p\u003e\n\u003cp\u003eSpark arrestor sold separately.\u003c\/p\u003e\n\u003cp\u003eThe RS-12 proudly designed, developed and made in the USA\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44446926536931,"sku":"800348","price":1277.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/234840S320_23YamahaYZ450F_FS_RS-12_4_Gray_2048x2048_f27d9d61-2abf-488f-88b8-90967cd7cb03.jpg?v=1709068004"},{"product_id":"yoshimura-rs-12-full-exhaust-system-yamaha-yz250f-2024-s-steel-alu-carbon-cap","title":"Yoshimura RS-12 Full Exhaust System Yamaha YZ250F 2024 (S.Steel\/Alu\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/Alu\/Carbon Cap) Yamaha YZ250F 2024\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhile other exhaust brands just carried over their Yamaha YZ250F offerings to include 2024 model, on the dyno and track, the new YZ told us there was more on the table. So our R\u0026amp;D team went to work to optimize the new Yamaha.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe adjustments to our spec proved what the 2024 YZ was telling our team was right. Our revised RS-12 Signature Series full system added 2.5% max HP and 2.8% max torque over stock. This is why we develop and test all of our product!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur RS-12 mufflers have loads of features including our PTF insert system that makes changing inserts a breeze and an optimized muffler shape with added volume and brake caliper clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYoshimura's RS-12 system is proudly designed, developed and manufactured in Chino, California.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eNEW YZ250F RS-12 Features and benefits:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved performance gains\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarbon end cap covers an inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44446950097123,"sku":"800343","price":1277.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/231030S320_2024YamahaYZ250F_RS12FS_3_Gray_2048x2048_3e9787cd-188d-4fa5-9158-7f85fddd2277.jpg?v=1709068452"},{"product_id":"yoshimura-rs-12-full-exhaust-system-honda-crf450r-2021-2024-s-steel-s-steel-carbon-cap","title":"Yoshimura RS-12 Full Exhaust System Honda CRF450R 2021-2024 (S.Steel\/S.Steel\/Carbon Cap)","description":"\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eYoshimura RS-12 Full Exhaust System (S.Steel\/S.Steel\/Carbon Cap) Honda CRF250R 2021-2024\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe #1 exhaust in Supercross and Motocross that powered Chase Sexton to the 2023 450 Supercross title, and Jett Lawrence to the 2023 450 Motocross SMX title and perfect season!\u003c\/p\u003e\n\u003cp\u003eIn our never ending pursuit to craft the very best exhaust system, Yoshimura introduces the latest RS-12 stainless steel system for the Honda CRF450R\/RX.\u003c\/p\u003e\n\u003cp\u003eWhy did we go through the task of introducing a whole new system for the CRF450? With the latest engine spec, our engineers wanted to get the best most usable power from this new model. This new system incorporates a one-piece stainless steel cast manifold featuring an integrated bolt flange surface that is 3x stronger than conventional designs.\u003c\/p\u003e\n\u003cp\u003eThis new system has been developed with - and is the closest thing to what 5x World Champion Tim Gajser, Chase Sexton, Jett Lawrence have been using to grab holeshots and win championships. By increasing the resonator in the RS-12 muffler by 50cc (a 14% increase) and adding a second resonator to the header, our engineers were able to unlock some insane usable power from this new and improved system.\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 system adds 5% max hp and 6.5% max torque to the new engine spec with its smaller throttle body and different ECU settings.\u003c\/p\u003e\n\u003cp\u003eWhat does this translate to?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasier power delivery\u003c\/li\u003e\n\u003cli\u003eSmoother frontside torque\u003c\/li\u003e\n\u003cli\u003eAllows the rider to ride in an higher gear, thus freeing up suspension.\u003c\/li\u003e\n\u003cli\u003eLess rider fatigue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYoshimura's RS-12 is proudly designed, developed and manufactured in Chino, California.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44448743260387,"sku":"800328","price":1405.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/225850S321_2023CRF450R_RS-12_SSFS_4_Gray_2048x2048_49c23223-f384-4c66-8663-92f10d930ec3.jpg?v=1709104291"},{"product_id":"yoshimura-rs-12-full-exhaust-system-honda-crf250r-rx-2025-s-steel-s-steel-carbon-cap","title":"Yoshimura RS-12 Full Exhaust System Honda CRF250R \/ RX 2025-2026 (S.Steel\/S.Steel\/Carbon Cap)","description":"\u003cp\u003eThe 2025 Honda CRF250R has been unveiled, and when it comes to Honda Motocross Racing exhaust systems nobody even comes close to Yoshimura R\u0026amp;D of America.\u003c\/p\u003e\n\u003cp\u003eThe newest CRF250R boasts a new chassis, airbox and ECU configuration. Our engineering and development team has had their nose to the grindstone with Team Honda HRC to squeeze every drop of performance out of the new 250. With our new RS-12 Signature Series full system, we achieved a peak HP gain of 2% over stock while the peak torque gain came in at 5%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSome of the features of the new RS-12 include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydroformed Muffler\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the first of a new generation RS-12 profile exhaust system featuring weight reducing hydroformed technology. This technology allows to maximize available space for a tailored fit while minimizing material usage. Hydroforming removes many of the limitations of conventional metal forming methods allowing for a stronger and lighter muffler. This new sleeve also incorporates a deep draw one-piece resonator further improving durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Faced Machined Joint\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur new Carbon Faced Machined Joint no longer requires the use of anti-seize. This is accomplished by impregnating the surface of the stainless steel joint with carbon atoms. The result is a reduction in wear over the life of the joint by reducing friction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeader Resonator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDeveloped in cooperation with the Honda HRC Team, our header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity.\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 for the 2025 Honda CRF250 also comes with an INS-31-K sound insert installed. 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