{"product_id":"fmf-06-9946-fmf-fact","title":"FMF Factory 4.1 RCT Exhaust Silencer 20-20 Yamaha WR 450 F - FMF 044466","description":"\u003cp\u003eThe FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap delivers cutting-edge exhaust performance through innovative Resonance Chamber Technology™. Designed for optimal power gains and reduced overall weight, the slip-on’s aerospace-grade titanium construction and compact length enhance durability and centralise mass for superior handling. Finished in blue anodised titanium and completed with a carbon end cap, this exhaust is manufactured to precise standards at FMF’s California facility for reliability in closed course competition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates FMF Resonance Chamber Technology™ internally and externally for advanced performance\u003c\/li\u003e\n\u003cli\u003eShorter overall length reduces crash susceptibility while centralising mass\u003c\/li\u003e\n\u003cli\u003eAerospace-grade titanium construction for strength and weight savings\u003c\/li\u003e\n\u003cli\u003eBlue anodised titanium muffler with carbon end cap\u003c\/li\u003e\n\u003cli\u003eDelivers significant power increases across the RPM range\u003c\/li\u003e\n\u003cli\u003eRTS (Rapid Tuning System) for convenient tuning adjustments\u003c\/li\u003e\n\u003cli\u003eScreen spark arrestor insert and 94dB quiet insert included\u003c\/li\u003e\n\u003cli\u003e100% manufactured 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\u003eItem ID: 044466\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: Titanium\u003c\/li\u003e\n\u003cli\u003eEnd cap: 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: 8.4 lbs\u003c\/li\u003e\n\u003cli\u003eCarb warning: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYamaha\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWR450F (2020)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSee Features Tab -\u0026gt; Fitment for header compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eSupplier SKU:\u003c\/strong\u003e 06-9946.FMF.FACT. Supplier availability is subject to change.\u003c\/p\u003e\n\u003ch3\u003eWhy Buy From FDY Performance?\u003c\/h3\u003e\n\u003cp\u003eShop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.\u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":59482102006108,"sku":"06-9946.FMF.FACT","price":761.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/06-9946-fmf-fact-1.jpg?v=1791845571","url":"https:\/\/fdyperformance.com\/products\/fmf-06-9946-fmf-fact","provider":"FDY performance Ltd","version":"1.0","type":"link"}