{"product_id":"fmf-racing-powercore-4-hex-muffler-for-yamaha-yz450f-and-wr450f-models","title":"FMF Racing Powercore 4 Hex Muffler for Yamaha YZ450F and WR450F Models","description":"The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength. Aluminum performance muffler with durable stainless steel components. Completely redesigned for all late model applications. Removable spark arrestor included. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.\n\u003cp\u003eThe FMF Racing Powercore 4 Hex Muffler is engineered to enhance the performance of Yamaha YZ450F and WR450F models from 2018 to 2021. Crafted with durable aluminum construction and stainless steel Hi-Flo end caps, this slip-on muffler offers an ideal balance of strength and optimized airflow. Its design focuses on increasing horsepower and torque across the entire power band, providing a noticeable and usable power increase suitable for all riding styles. The muffler's lightweight build helps improve overall bike responsiveness without compromising durability. It includes a removable spark arrestor, making it adaptable for various riding environments and ensuring compliance with noise regulations where applicable. The FMF Powercore 4 Hex Muffler is a direct bolt-on upgrade that requires no modifications, making installation straightforward and quick. Its compatibility with late-model Yamaha models ensures a perfect fit and seamless integration with existing exhaust systems, enhancing both performance and sound. Whether you’re looking for better acceleration or increased top-end power, this muffler delivers consistent results and proven performance gains. Designed to meet EPA standards, it provides a reliable upgrade option for serious riders seeking to maximize their bike’s capabilities while maintaining environmental compliance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eAluminum construction for lightweight durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStainless steel Hi-Flo end caps for strength and airflow efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncreases horsepower and torque throughout the entire power band\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRemovable spark arrestor included for environmental compliance and versatility\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for easy bolt-on installation on Yamaha YZ450F and WR450F models from 2018 to 2021\u003c\/li\u003e\u003c\/ul\u003e","brand":"FMF Racing","offers":[{"title":"Default Title","offer_id":47978388914434,"sku":"686887","price":364.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/3401\/7026\/files\/fb4c21d5c92b263c458b4943d1e268f4_b8603619-36d7-409b-a8d9-ed381a8ebdd8.jpg?v=1781161522","url":"https:\/\/teamkustom.shop\/products\/fmf-racing-powercore-4-hex-muffler-for-yamaha-yz450f-and-wr450f-models","provider":"Teamkustom","version":"1.0","type":"link"}