{"product_id":"fmf-factory-4-1-rct-exhaust-system-for-yamaha-yz250f-and-yz250fx","title":"FMF Factory 4.1 RCT Exhaust System for Yamaha YZ250F and YZ250FX","description":"\u003cp\u003eThe FMF Factory 4.1 RCT exhaust system is engineered for Yamaha YZ250F and YZ250FX models from 2019 to 2024. Incorporating advanced Resonance Chamber Technology, this exhaust enhances performance while maintaining a refined sound profile. The patented core shape reduces noise levels without sacrificing power output, ensuring optimal engine efficiency. Its patented canister design increases internal volume, allowing for more sound-absorbing material that contributes to quieter operation and improved rider comfort. The chamber design is specifically tuned to optimize exhaust pressure, resulting in better throttle response and increased horsepower.\u003c\/p\u003e\u003cp\u003eFMF's factory forward engineering approach centralizes mass, making the exhaust more resilient to crash damage and improving overall durability. The system is tailored with optimized core specifications for each application, ensuring precise fit and performance. An innovative rear end cap provides easy installation of tuning tip inserts or spark arrestors, giving riders versatility to customize their setup. The canister and mid-pipe options include titanium or aluminum variants—each selected for lightweight strength and durability. The titanium version features a titanium canister and mid-pipe, ideal for weight-conscious riders, while the aluminum variant combines an aluminum canister with a stainless steel mid-pipe for added longevity.\u003c\/p\u003e\u003cp\u003eIncluded with the exhaust system are a spark arrestor and wash plug, allowing for safe and compliant riding in various environments. Designed to fit a range of Yamaha YZ250F and YZ250FX models from 2019 through 2024, this exhaust system offers a significant upgrade in performance, sound, and durability. Whether you're racing or trail riding, the FMF Factory 4.1 RCT provides a reliable and high-performance exhaust solution built with cutting-edge technology and precision engineering.\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 features titanium canister and mid-pipe for lightweight durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAluminum RCT features aluminum canister and stainless steel mid-pipe for longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes spark arrestor and wash plug for versatile riding\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha YZ250F 2019\u003cbr\u003e\nYamaha YZ250F 2020\u003cbr\u003e\nYamaha YZ250F 2021\u003cbr\u003e\nYamaha YZ250F 2022\u003cbr\u003e\nYamaha YZ250F 2023\u003cbr\u003e\nYamaha YZ250F 2024\u003cbr\u003e\nYamaha YZ250FX 2020\u003cbr\u003e\nYamaha YZ250FX 2021\u003cbr\u003e\nYamaha YZ250FX 2022\u003cbr\u003e\nYamaha YZ250FX 2023\u003cbr\u003e\nYamaha YZ250FX 2024","brand":"FMF","offers":[{"title":"Default Title","offer_id":45191357890755,"sku":"79-40638","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/27da-69dfc6d2e5286.jpg?v=1779565193","url":"https:\/\/kellymotorsport.com\/products\/fmf-factory-4-1-rct-exhaust-system-for-yamaha-yz250f-and-yz250fx","provider":"Kelly Motorsports","version":"1.0","type":"link"}