{"product_id":"fmf-factory-4-1-rct-slip-on-exhaust-for-yamaha-wr450f-with-carbon-cap","title":"FMF Factory 4.1 RCT Slip-On Exhaust for Yamaha WR450F with Carbon Cap","description":"\u003cp\u003eEnhance your Yamaha WR450F with the FMF Factory 4.1 RCT Slip-On Exhaust, engineered with the latest Resonance Chamber Technology for superior sound and performance. This exhaust features a patented core shape that reduces noise levels while maintaining maximum power output, ensuring your motorcycle runs efficiently without sacrificing sound quality. The innovative canister shape increases internal volume, allowing for more sound absorbing material that further refines exhaust noise and enhances overall engine performance. Designed with a patented chamber system, this slip-on exhaust optimizes exhaust pressure to improve throttle response and power delivery. The factory forward engineering approach centralizes mass, making the exhaust more resistant to crash damage and ensuring durability during aggressive riding. Tuned specifically for each application, the exhaust's core specifications maximize performance benefits. The rear end cap design allows for easy installation of tuning tip inserts or spark arrestors, providing versatile options for different riding conditions. Available with your choice of Ti or Aluminum canisters, the FMF Factory 4.1 RCT offers both lightweight performance and durability. The Ti version includes a titanium canister and mid-pipe for weight savings, while the Aluminum option features an aluminum canister with a stainless mid-pipe for added strength. Each kit includes a spark arrestor and wash plug, making it ready for trail or track use. This exhaust fits the 2020 Yamaha WR450F and is a perfect upgrade for riders seeking increased power, refined sound, and improved durability from their motorcycle's exhaust system.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAll new incorporating the latest in Resonance Chamber Technology\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePatented core shape lowers sound level while maintaining maximum power output\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePatented canister shape increases internal volume for more sound absorbing material\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePatented chamber design to enhance and refine exhaust pressure\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFactory Forward Engineering centralizes mass and is less prone to crash damage\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTuned exhaust with optimized core specifications for each application\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInnovative rear end cap for simple installation of tuning tip inserts or spark arrestor\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTi RCT has Ti canister and mid-pipe\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAluminum RCT has Aluminum canister and Stainless mid-pipe\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes spark arrestor and wash plug\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha WR450F 2020","brand":"FMF","offers":[{"title":"Default Title","offer_id":45191361396931,"sku":"79-044466","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/c9d8-5eac2b8b2ce84_1726536c-b5a6-4a85-bdbb-73ab1017868b.jpg?v=1779565866","url":"https:\/\/kellymotorsport.com\/products\/fmf-factory-4-1-rct-slip-on-exhaust-for-yamaha-wr450f-with-carbon-cap","provider":"Kelly Motorsports","version":"1.0","type":"link"}