{"product_id":"fmf-powercore-4-muffler-044222-for-yamaha-yz450f-and-wr450f","title":"FMF Powercore 4 Muffler 044222 for Yamaha YZ450F and WR450F","description":"\u003cp\u003eThe FMF Powercore 4 Muffler is a performance-focused exhaust component designed for select Yamaha four-stroke off-road motorcycles. Manufacturer part number 044222 and vendor part number 044222 identify this muffler for fitment on 2003–2005 Yamaha YZ450F models and 2003–2006 Yamaha WR450F models. Verify the motorcycle model and year before ordering to ensure proper compatibility.\u003c\/p\u003e\u003cp\u003eConstructed with a stainless steel exterior and lightweight aluminum components, the FMF Powercore 4 is built to provide durability while supporting efficient exhaust flow. Its internal core uses FMF Hi-Flo technology, while the Hi-Flo modular end cap helps promote improved sonic evacuation. These design elements support increased exhaust flow and performance for demanding off-road riding.\u003c\/p\u003e\u003cp\u003eThe muffler includes space-age internal packing engineered for extended packing life and a removable spark arrestor for trail and off-road applications where approved spark-arresting equipment is required. The Powercore 4 Muffler is a practical replacement or upgrade for riders seeking a durable FMF exhaust solution with model-specific Yamaha fitment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstruction: Stainless steel body with lightweight aluminum components\u003c\/li\u003e\n\u003cli\u003ePacking: Space-age internal packing designed for extended packing life\u003c\/li\u003e\n\u003cli\u003eEnd cap: Hi-Flo modular end cap\u003c\/li\u003e\n\u003cli\u003eCore design: Internal core shaped with FMF Hi-Flo technology\u003c\/li\u003e\n\u003cli\u003eExhaust flow: Enhanced sonic evacuation supports higher flow and increased power\u003c\/li\u003e\n\u003cli\u003eSpark arrestor: Includes a removable spark arrestor\u003c\/li\u003e\n\u003cli\u003eFitment: Fits 2003–2005 Yamaha YZ450F and 2003–2006 Yamaha WR450F models\u003c\/li\u003e\n\u003cli\u003eBrand: FMF\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 044222\u003c\/li\u003e\n\u003cli\u003eVendor part number: 044222\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2003 Yamaha WR450F\u003cbr\u003e\n2003 Yamaha YZ450F\u003cbr\u003e\n2004 Yamaha WR450F\u003cbr\u003e\n2004 Yamaha YZ450F\u003cbr\u003e\n2005 Yamaha WR450F\u003cbr\u003e\n2005 Yamaha YZ450F\u003cbr\u003e\n2006 Yamaha WR450F","brand":"FMF","offers":[{"title":"Default Title","offer_id":67551973638379,"sku":"79-3082","price":382.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/f29a-572a8b352e460_87e21c03-a090-4e4c-80f1-27a02a602625.jpg?v=1790731299","url":"https:\/\/ctracingservices.com\/products\/fmf-powercore-4-muffler-044222-for-yamaha-yz450f-and-wr450f","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}