{"product_id":"fmf-factory-4-1-rct-slip-on-exhaust-for-yamaha-yz450f-and-yz450fx","title":"FMF Factory 4.1 RCT Slip-On Exhaust for Yamaha YZ450F and YZ450FX","description":"\u003cp\u003eEnhance your Yamaha YZ450F or YZ450FX with the FMF Factory 4.1 RCT slip-on exhaust, engineered with advanced Resonance Chamber Technology for superior performance. This exhaust system features a patented core shape that reduces sound levels while maintaining maximum power output, ensuring your ride remains powerful yet quieter than stock. The patented canister design increases internal volume, allowing for more sound-absorbing material that enhances overall exhaust tone and reduces noise pollution. Designed to optimize exhaust pressure, the chamber design refines throttle response and power delivery for competitive riding or recreational motocross.\u003cbr\u003eConstructed with factory-forward engineering principles, the FMF Factory 4.1 RCT centralizes mass for improved balance and durability, making it less susceptible to crash damage. The tuned exhaust features specifications tailored for each application, ensuring a perfect fit and optimal performance on your bike. An innovative rear end cap simplifies the installation of tuning tip inserts or spark arrestors, providing versatility for various riding conditions. The system is available in two configurations: Titanium (Ti RCT) with a titanium canister and mid-pipe, or Aluminum (Aluminum RCT) with an aluminum canister and stainless mid-pipe, allowing you to choose based on weight and durability preferences.\u003cbr\u003eThis exhaust includes a spark arrestor and wash plug, making it compliant and ready for trail and race environments. Whether you’re upgrading for increased horsepower, a more refined exhaust tone, or improved durability, the FMF Factory 4.1 RCT slip-on exhaust offers a high-performance solution designed specifically for Yamaha’s latest models. It is compatible with Yamaha YZ450F and YZ450FX models from 2018 through 2023, ensuring a seamless fit for your motorcycle and an immediate boost in performance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAll new Resonance Chamber Technology for enhanced sound and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePatented core shape reduces sound level while maintaining maximum power output\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePatented canister shape increases internal volume for better sound absorption\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChamber design enhances and refines exhaust pressure for improved throttle response\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFactory-forward engineering centralizes mass, reducing crash damage risk\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTuned exhaust with application-specific core specifications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInnovative rear end cap for easy installation of tuning tip inserts or spark arrestors\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable in Titanium (Ti RCT) with titanium canister and mid-pipe or Aluminum (Aluminum RCT) with aluminum canister and stainless mid-pipe\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes spark arrestor and wash plug for trail and race compliance\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YZ450F 2018\u003cbr\u003e\nYamaha YZ450F 2019\u003cbr\u003e\nYamaha YZ450F 2020\u003cbr\u003e\nYamaha YZ450F 2021\u003cbr\u003e\nYamaha YZ450F 2022\u003cbr\u003e\nYamaha YZ450F 2023\u003cbr\u003e\nYamaha YZ450F 2024\u003cbr\u003e\nYamaha YZ450FX 2019\u003cbr\u003e\nYamaha YZ450FX 2020\u003cbr\u003e\nYamaha YZ450FX 2021\u003cbr\u003e\nYamaha YZ450FX 2022\u003cbr\u003e\nYamaha YZ450FX 2023\u003cbr\u003e\nYamaha YZ450FX 2024","brand":"FMF","offers":[{"title":"Default Title","offer_id":45191358120131,"sku":"79-40636","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/541f-5a0daf7358329.jpg?v=1779565240","url":"https:\/\/kellymotorsport.com\/products\/fmf-factory-4-1-rct-slip-on-exhaust-for-yamaha-yz450f-and-yz450fx","provider":"Kelly Motorsports","version":"1.0","type":"link"}