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This construction enhances mass centralisation and reduces susceptibility to crash damage thanks to a shorter overall length. 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For dedicated competition environments only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClosed course use only\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered MegaBomb header design for enhanced power and throttle response\u003c\/li\u003e\n\u003cli\u003eConstructed from premium stainless steel for longevity and heat resistance\u003c\/li\u003e\n\u003cli\u003eSingle-sided exhaust configuration\u003c\/li\u003e\n\u003cli\u003eNo carburettor warning\u003c\/li\u003e\n\u003cli\u003eItem ID: 041614\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eType: Header\u003c\/li\u003e\n\u003cli\u003eHeader Type: MegaBomb\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHonda\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCRF250R (2025–2026)\u003c\/li\u003e\n\u003cli\u003eCRF250RX (2025–2026)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56278893232505,"sku":"07-6008.SS","price":389.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/07-6008-ss-1.jpg?v=1764195858"},{"product_id":"fmf-factory-4-1-rct-titanium-anodized-exhaust-silencer-yamaha-yzf-250-2019-2026-yz250fx-20-26-wr250f-23-25","title":"FMF Factory 4.1 RCT Titanium Anodized Exhaust Silencer Yamaha YZF 250 2019-2026, YZ250FX 20-26, WR250F 23-25","description":"\u003cp\u003eThe FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust with a carbon end cap showcases cutting-edge Resonance Chamber Technology™ and Factory Forward Engineering, optimising performance and durability for off-road racing. Designed with a shorter, crash-resistant profile and manufactured entirely from aerospace grade blue anodised titanium, this slip-on delivers substantial power gains across the RPM range while providing significant weight savings. 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Crafted from premium interwoven fibreglass fibres, this packing material is designed for high heat resistance and maximum durability, delivering prolonged optimal exhaust flow and sound management. 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Engineered with aerospace-grade materials and manufactured in Southern California, this slip-on delivers significant power gains throughout the rev range, substantial weight savings, and optimised mass centralisation for enhanced handling. It features a sleek natural aluminium muffler paired with a carbon end cap and includes both a spark arrestor and a 94dB quiet insert.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates the latest FMF Resonance Chamber Technologyª (RCT) both internally and externally\u003c\/li\u003e\n\u003cli\u003eFactory Forward EngineeringÐreduced muffler length, optimised for improved mass centralisation and crash resistance\u003c\/li\u003e\n\u003cli\u003eAerospace grade materials for maximum durability and performance\u003c\/li\u003e\n\u003cli\u003eNatural aluminium muffler with carbon fibre end cap for premium aesthetics and reduced weight\u003c\/li\u003e\n\u003cli\u003eDelivers substantial power gains across the entire RPM range\u003c\/li\u003e\n\u003cli\u003eMassive reduction in overall weight for improved handling\u003c\/li\u003e\n\u003cli\u003eRapid Tuning System (RTS) for easy adjustments\u003c\/li\u003e\n\u003cli\u003eScreen-type spark arrestor and 94dB quiet insert included\u003c\/li\u003e\n\u003cli\u003eManufactured entirely in Southern California\u003c\/li\u003e\n\u003cli\u003eClosed course use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFMF Item ID: 041517\u003c\/li\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminium\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eMidpipe: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eEndcap: Carbon fibre\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Screen insert (included)\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB insert (included)\u003c\/li\u003e\n\u003cli\u003eWeight: 5 lbs\u003c\/li\u003e\n\u003cli\u003eCarburettor Warning: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHonda\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCRF450X (2005Ð2009, 2012Ð2017)\u003c\/li\u003e\n\u003c\/ul\u003e\n  \n\u003c\/body\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435624345977,"sku":"06-1724.FMF.F4N","price":567.25,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/06-1724-fmf-f4n-1.jpg?v=1767266087"},{"product_id":"fmf-factory-4-1-rct-exhaust-silencer-09-11-kawasaki-kx-450-f-fmf-042291","title":"FMF Factory 4.1 RCT Exhaust Silencer Kawasaki KXF 450 2009-2011 - FMF 042291","description":"\u003cbody\u003e\n  \n\u003cp\u003eThe Factory 4.1 RCT Stainless SL Slip-On with Carbon End Cap delivers advanced performance with FMFÕs Resonance Chamber Technologyª, optimising power output and mass centralisation for professional-level racing. Built from top-tier aerospace grade materials at FMFÕs Southern California facility, this slip-on exhaust offers substantial weight savings, improved crash resilience and the latest Rapid Tuning System for seamless adjustments. Its precise engineering ensures reduced overall length and an optimally positioned muffler for enhanced handling and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates both internal and external FMF Resonance Chamber Technologyª\u003c\/li\u003e\n\u003cli\u003eShorter, forward-positioned muffler design for centralised mass and reduced crash vulnerability\u003c\/li\u003e\n\u003cli\u003eConstructed from aerospace grade aluminium and stainless steel with carbon fibre end cap\u003c\/li\u003e\n\u003cli\u003eMassive power gains across the RPM range\u003c\/li\u003e\n\u003cli\u003eSignificant weight reduction over stock systems\u003c\/li\u003e\n\u003cli\u003eIncludes Rapid Tuning System (RTS) for quick adjustments\u003c\/li\u003e\n\u003cli\u003eNatural aluminium finish with carbon end cap for strength and style\u003c\/li\u003e\n\u003cli\u003eScreen-type spark arrestor insert and 94dB quiet insert included\u003c\/li\u003e\n\u003cli\u003eManufactured 100% in FMFÕs Southern California factory\u003c\/li\u003e\n\u003cli\u003eFor closed course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem ID: 042291\u003c\/li\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminium\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eMidpipe: Stainless steel\u003c\/li\u003e\n\u003cli\u003eEndcap: Carbon fibre\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Screen insert (included)\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB insert (included)\u003c\/li\u003e\n\u003cli\u003eWeight: 5 lbs (approximate)\u003c\/li\u003e\n\u003cli\u003eCarb Warning: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKawasaki\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKX450F (2009Ð2011)\u003c\/li\u003e\n\u003c\/ul\u003e\n  \n\u003c\/body\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435624509817,"sku":"06-1754.FMF.FAC","price":567.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/4358d67f-0af9-4a6a-98a5-c50b14e11df6_1800x1800_fde6f69c-7e90-4f21-8303-6c7b17484fd0.jpg?v=1770842711"},{"product_id":"fmf-factory-4-1-rct-exhaust-silencer-09-16-kawasaki-kx-250-f-fmf-042290","title":"FMF Factory 4.1 RCT Exhaust Silencer Kawasaki KXF 250 2009-2016 - FMF 042290","description":"\u003cbody\u003e\n  \n\u003cp\u003eThe FACTORY 4.1 RCT Stainless Slip-On with Carbon End Cap utilises advanced FMF Resonance Chamber Technologyª, both internally and externally, to deliver class-leading performance and durability. Engineered for racers seeking significant power improvements, this slip-on positions the muffler closer to the engine for better mass centralisation and reduced crash vulnerability. Constructed exclusively from aerospace-grade materials in Southern California, it combines robust build quality with exceptional weight savings, ideal for demanding off-road and motocross environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNotice: Closed Course Use Only\u003c\/li\u003e\n\u003cli\u003eShortened design for improved crash protection and mass centralisation\u003c\/li\u003e\n\u003cli\u003eUtilises FMF's latest internal\/external Resonance Chamber Technologyª\u003c\/li\u003e\n\u003cli\u003eAerospace-grade construction for premium durability\u003c\/li\u003e\n\u003cli\u003eAluminium muffler with a carbon end cap for optimised strength-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eMassive power gains across the RPM range\u003c\/li\u003e\n\u003cli\u003eFMF proprietary alloy blend for consistency and reliability\u003c\/li\u003e\n\u003cli\u003eInclusive Rapid Tuning System (RTS) for convenient adjustments\u003c\/li\u003e\n\u003cli\u003eIncludes spark arrestor screen insert and 94dB quiet insert\u003c\/li\u003e\n\u003cli\u003eManufactured entirely in Southern California\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eMuffler Material: Aluminium (Natural Finish)\u003c\/li\u003e\n\u003cli\u003eMidpipe Material: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eEndcap: Carbon\u003c\/li\u003e\n\u003cli\u003eWeight: 5 lbs\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Screen insert (included)\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB insert (included)\u003c\/li\u003e\n\u003cli\u003eItem ID: 042290\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKawasaki\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKX250F (2009Ð2016)\u003c\/li\u003e\n\u003c\/ul\u003e\n  \n\u003c\/body\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435624542585,"sku":"06-1753.FMF.FAC","price":567.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/4358d67f-0af9-4a6a-98a5-c50b14e11df6_1800x1800_59c0782e-242d-47ff-9f9c-7d40fd9d9b2c.jpg?v=1770842524"},{"product_id":"fmf-factory-4-1-rct-exhaust-silencer-12-15-kawasaki-kx-450-f-fmf-042286","title":"FMF Factory 4.1 RCT Titanium Exhaust Silencer Kawasaki KXF 450 12-15 - FMF 042286","description":"\u003cp\u003eThe FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap advances exhaust performance through innovative Resonance Chamber Technologyª and a cutting-edge design focused on mass centralisation. Built using aerospace-grade titanium and finished with a carbon end cap, this slip-on system delivers robust power gains across the RPM range while providing substantial weight reduction. Engineered with a shorter overall length, it is less vulnerable to crash damage and brings the muffler closer to the engine for enhanced handling. 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The system utilises exclusive FMF Resonance Chamber Technologyª to optimise exhaust flow and power delivery while achieving a lightweight, crash-resistant, and mass-centralised muffler profile. 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Its innovative Factory Forward Engineering positions the muffler closer to the engine for centralised mass and improved handling, while the aerospace-grade construction and streamlined length offer increased durability and significant weight reduction. Meticulously manufactured in Southern California, this slip-on achieves the perfect blend of strength, performance, and modern design for competitive environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates internal and external Resonance Chamber Technologyª for enhanced power delivery\u003c\/li\u003e\n\u003cli\u003eConstructed from aerospace-grade aluminium, stainless steel, and proprietary titanium blend\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering for better mass centralisation\u003c\/li\u003e\n\u003cli\u003eShorter, stronger design reduces susceptibility to crash damage\u003c\/li\u003e\n\u003cli\u003eSignificant weight savings for agile handling\u003c\/li\u003e\n\u003cli\u003eRapid Tuning System (RTS) for quick adjustments\u003c\/li\u003e\n\u003cli\u003eCarbon fibre end cap for premium finish and durability\u003c\/li\u003e\n\u003cli\u003eClosed course use only\u003c\/li\u003e\n\u003cli\u003eIncludes spark arrestor (screen insert) and 94dB quiet insert\u003c\/li\u003e\n\u003cli\u003eProudly made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem ID: 042330\u003c\/li\u003e\n\u003cli\u003eType: Slip-on\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminium muffler with stainless steel midpipe and carbon end cap\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eIncluded: Spark arrestor (screen insert), 94dB quiet insert\u003c\/li\u003e\n\u003cli\u003eWeight: 5.1 lbs (2.3 kg)\u003c\/li\u003e\n\u003cli\u003eNot for road use (closed course only)\u003c\/li\u003e\n\u003cli\u003eCompatible with specific header systems (see vehicle fitment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKawasaki\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKX450F (2016-2018)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435624837497,"sku":"06-1781.FMF.FAC","price":567.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/06-1781-fmf-fac-1.jpg?v=1767266104"},{"product_id":"fmf-factory-4-1-rct-exhaust-silencer-17-20-kawasaki-kx-250-f-fmf-042374","title":"FMF Factory 4.1 RCT Exhaust Silencer Kawasaki KXF 250 2017-2020 - FMF 042374","description":"\u003cbody\u003e\n  \n\u003cp\u003eThe FMF Racing Factory 4.1 RCT Stainless Slip-On with Carbon End Cap represents the pinnacle of exhaust performance technology, incorporating patented Resonance Chamber Technologyª for increased power across the RPM range and improved durability. The shorter, forward-positioned muffler enhances mass centralisation, while aerospace-grade construction ensures strength and significant weight reduction. 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Featuring aerospace-grade titanium and a carbon end cap, this slip-on silencer offers significant power gains across the rev range, dramatic weight reduction, and enhanced centralisation of mass due to its advanced Factory Forward Engineering. 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With a compact, crash-resistant design and Factory Forward Engineering, this slip-on system moves the muffler closer to the engine to help centralise mass for optimal handling. 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Integrating advanced FMF Resonance Chamber Technologyª both inside and out, this slip-on silencer shortens overall system length for improved crash resistance and mass centralisation. 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Expertly crafted in Southern California from aerospace-grade materials, this slip-on exhaust is purposely shortened to reduce crash susceptibility and centralise mass, enhancing overall handling and rider confidence. The precision-engineered design also features a rapid tuning system for easy adjustments, a natural aluminium muffler with a carbon end cap, and significant weight savings for racing advantage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates FMF Resonance Chamber Technologyª for optimal power delivery\u003c\/li\u003e\n\u003cli\u003eShortened design reduces crash damage and centralises bike mass\u003c\/li\u003e\n\u003cli\u003eRapid Tuning System (RTS) for quick, simple adjustments\u003c\/li\u003e\n\u003cli\u003eLightweight aerospace-grade alloy materials\u003c\/li\u003e\n\u003cli\u003eCarbon fibre end cap for durability and style\u003c\/li\u003e\n\u003cli\u003eNatural aluminium muffler finish\u003c\/li\u003e\n\u003cli\u003eClosed course use only\u003c\/li\u003e\n\u003cli\u003e94dB quiet insert and spark arrestor screen included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Aluminium\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eMidpipe: Stainless steel\u003c\/li\u003e\n\u003cli\u003eEndcap: Carbon\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Screen insert (included)\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB insert (included)\u003c\/li\u003e\n\u003cli\u003eWeight: 6.9 lbs\u003c\/li\u003e\n\u003cli\u003eItem ID: 043364\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuzuki\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRMZ450 (2018-2025)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435625132409,"sku":"06-105.FMF.F4AC","price":567.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/06-105-fmf-f4ac-1.jpg?v=1767266111"}],"url":"https:\/\/www.poaracing.co.uk\/collections\/fmf-exhausts.oembed?page=18","provider":"POA Racing Ltd","version":"1.0","type":"link"}