{"product_id":"fmf-factory-4-1-rct-exhaust-silencer-19-25-honda-crf-450-x-fmf-041587","title":"FMF Factory 4.1 RCT Exhaust Silencer Honda CRF 450 X 2019-2025 - FMF 041587","description":"\u003cp\u003eThe FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap (041587) is engineered for riders demanding top-level performance and advanced durability. This slip-on exhaust features FMF Resonance Chamber Technologyª both internally and externally, with a compact design ideal for mass centralisation and reduced crash susceptibility. Manufactured entirely in Southern California from aerospace-grade titanium, the blue anodised muffler is complemented by a lightweight carbon end cap, delivering exceptional power gains and significant weight savings.\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\u003eAdvanced FMF Resonance Chamber Technologyª for optimised performance\u003c\/li\u003e\n\u003cli\u003eBlue anodised titanium muffler with carbon fibre end cap\u003c\/li\u003e\n\u003cli\u003eMassive power gains throughout the RPM range\u003c\/li\u003e\n\u003cli\u003eSignificant weight reduction for improved handling\u003c\/li\u003e\n\u003cli\u003eNew Rapid Tuning System (RTS) for fast adjustments\u003c\/li\u003e\n\u003cli\u003eProprietary alloy-grade titanium construction made to FMF standards\u003c\/li\u003e\n\u003cli\u003eCentralised mass for better manoeuvrability\u003c\/li\u003e\n\u003cli\u003eScreen insert spark arrestor included\u003c\/li\u003e\n\u003cli\u003eOptional 94dB quiet insert available (sold separately)\u003c\/li\u003e\n\u003cli\u003eMade 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: 041587\u003c\/li\u003e\n\u003cli\u003eType: Slip-On\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single\u003c\/li\u003e\n\u003cli\u003eConstruction: Titanium\u003c\/li\u003e\n\u003cli\u003eFinish: Blue Anodised\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\u003eCarb Warning: No\u003c\/li\u003e\n\u003cli\u003eQuiet Insert: 94dB insert (sold separately)\u003c\/li\u003e\n\u003cli\u003eWeight: 6.3 lbs\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 (2019-2025)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":56435625361785,"sku":"06-9911.FMF.FACT","price":709.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/0254\/5123\/files\/Screenshot2026-05-23at08.34.20.jpg?v=1779522974","url":"https:\/\/www.poaracing.co.uk\/products\/fmf-factory-4-1-rct-exhaust-silencer-19-25-honda-crf-450-x-fmf-041587","provider":"POA Racing Ltd","version":"1.0","type":"link"}