{"title":"YZ450F 2026","description":null,"products":[{"product_id":"1821-1836","title":"FMF PowerCore 4 HEX Muffler YZ450F 2018-2024 044441 1821-1836","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eOverall increase in power and torque\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eDurable stainless steel and aluminum construction\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eSpace Age internal packing material for maximum longevity\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eInternal shape of core uses Hi-Flo technology\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eEnhanced sonic evacuation provides for higher flow and increased power\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eIncludes removable spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"table-responsive-sm\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctable class=\"table table-striped mb-4\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctbody class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2019-2023\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYZ 450 FX\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2019\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eWR 450 F\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2018-2024\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYZ 450 F\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row mt-3\" id=\"fitment-disclosure-and-warning\" _ngcontent-dho-c19=\"\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\" _ngcontent-dho-c19=\"\"\u003e\n\u003ch3 class=\"mb-1 h6\" _ngcontent-dho-c19=\"\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall _ngcontent-dho-c19=\"\"\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":43821190349041,"sku":"044441","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/products\/F2DB1488-DF84-4B3B-8EEF-84435B8F8441.png?v=1686347331"},{"product_id":"1821-1837","title":"FMF Q4 HEX Muffler 044442 1821-1837","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e   The Q4 employs intricate chambers, baffles and proprietary multistage packing material \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e With the Q4 you don’t need to hear the power, just feel the power! \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Less sound equals more ground \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Power gains throughout the entire rpm range \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Spark arrestor included \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Pounds lighter than stock \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Rugged design for off-road endurance \u003c\/li\u003e\r\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e Made in the U.S.A. \u003c\/li\u003e \u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":43821190381809,"sku":"044442","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/products\/3ECFE115-FEAD-4DB9-B681-8AF0318AD607.png?v=1686347332"},{"product_id":"1821-1838","title":"FMF Factory 4.1 RCT Muffler - Aluminum YZ450F  2018-2024 044443 1821-1838","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eThe Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to centralize mass\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eThe Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eMassive Power gains throughout the RPM range.\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eHuge weight savings\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eRTS (Rapid Tuning System)\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"row mt-3\" id=\"fitment-disclosure-and-warning\" _ngcontent-dgx-c19=\"\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\" _ngcontent-dgx-c19=\"\"\u003e\n\u003cdiv class=\"table-responsive-sm\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctable class=\"table table-striped mb-4\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctbody class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2019-2023\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYZ 450 FX\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2019\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eWR 450 F\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e2018-2024\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003eYZ 450 F\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row mt-3\" id=\"fitment-disclosure-and-warning\" _ngcontent-dho-c19=\"\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\" _ngcontent-dho-c19=\"\"\u003e\n\u003ch3 class=\"mb-1 h6\" _ngcontent-dho-c19=\"\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall _ngcontent-dho-c19=\"\"\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":43821190414577,"sku":"044443","price":584.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/products\/1DAD3714-4813-4159-AC25-F52D7324DF0B.png?v=1686347334"},{"product_id":"1821-1840","title":"FMF Factory 4.1 RCT Muffler - Anodized Titanium YZ450F 2018-2024 044445 1821-1840","description":"\u003cul class=\"mb-4 mt-2 pl-3\" _ngcontent-xov-c76=\"\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eThe Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to centralize mass\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eThe Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eMassive Power gains throughout the RPM range.\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eHuge weight savings\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\" _ngcontent-xov-c76=\"\"\u003eRTS (Rapid Tuning System)\n\u003cdiv class=\"table-responsive-sm\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctable class=\"table table-striped mb-4\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctbody class=\"ng-star-inserted\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctr class=\"ng-star-inserted\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e2019-2023\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eYZ 450 FX\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e2019\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eWR 450 F\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"ng-star-inserted\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e2018-2024\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eYamaha\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eYZ 450 F\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003e\n\u003ch3 class=\"mb-1 h6\" data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall data-mce-fragment=\"1\" _ngcontent-dho-c19=\"\"\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"row mt-3\" id=\"fitment-disclosure-and-warning\" _ngcontent-cue-c19=\"\"\u003e\u003c\/div\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":43821190447345,"sku":"044445","price":764.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/products\/B12976C2-E4C1-4CDC-B5CA-34AD1013AF0A.png?v=1686347335"},{"product_id":"1820-2170","title":"FMF Factory 4.1 RCT Exhaust System - with Carbon Cap - Stainless Steel - MegaBomb 1820-2168","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAchieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eThe Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eNatural Aluminum with Carbon Fiber End Cap\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMassive Power gains throughout the RPM range\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eRapid Tuning System\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eFMF uses the highest quality proprietary blend stainless steel made especially to standards\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eManufactured 100% at the Southern California factory\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":48560212541681,"sku":"1820-2168","price":967.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/DF5BA0BB-B3C9-4D01-A139-F38DB987F157_5a014905-3790-4120-847e-7c93e5db722a.jpg?v=1786748548"},{"product_id":"1820-2178","title":"PRO CIRCUIT Ti-6 Pro Titanium Exhaust System - YZ450 0332645BC 1820-2178","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003ePasses AMA\/FIM sound regulations\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eImproves performance\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTitanium construction throughout head pipe, mid pipe, and canister\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTitanium end-cap construction\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMachined mid pipe to head pipe joint for a better, leak free fit\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTIG precision welding\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMade in the USA\n\u003cdiv class=\"align-items-baseline d-flex mb-2\"\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO CIRCUIT","offers":[{"title":"Default Title","offer_id":48560214049009,"sku":"0332645BC","price":1412.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/A17F3B6F-72AE-4784-A561-B0D3056F76EB.jpg?v=1786748556"},{"product_id":"1820-2176","title":"PRO CIRCUIT T-6 Exhaust System - Titanium\/Stainless Steel - YZ450 0132645G  1820-2176","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eImproves performance\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eStainless steel construction throughout head pipe, mid pipe, and end-cap\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAluminum canister construction\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTIG precision welding\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMade in the USA\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO CIRCUIT","offers":[{"title":"Default Title","offer_id":48560216670449,"sku":"0132645G","price":1019.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/67C29524-5460-49DC-B056-6FBEFE38A9BF.jpg?v=1786748568"},{"product_id":"1821-2298","title":"PRO CIRCUIT T-6 Slip-On Muffler - Stainless Steel - YZ 450 0132645A  1821-2298","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eImproves performance\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eStainless steel end-cap\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAluminum canister construction\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTIG precision welding\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMade in the USA\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO CIRCUIT","offers":[{"title":"Default Title","offer_id":48560219128049,"sku":"0132645A","price":719.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/89F94A40-D762-4ACF-BAF6-C56D8A6F4D1C.jpg?v=1786748580"},{"product_id":"1820-2179","title":"PRO CIRCUIT Ti-6 Exhaust System - Titanium\/Carbon Fiber 0332645F 1820-2179","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eOffering maximum performance while meeting AMA amateur noise requirements\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eIdeal for closed-course or off-road racing\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTitanium construction throughout head pipe, mid pipe and canister\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eCarbon fiber end-cap construction\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMachined aluminum muffler bracket for increased strength and durability\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAsymmetrical muffler configuration for increased packing volume\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eRemovable USFS approved spark arrestor\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eTIG precision welding\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMade in the USA\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO CIRCUIT","offers":[{"title":"Default Title","offer_id":48560221782257,"sku":"0332645F","price":1339.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/9C1416C3-1C85-438E-BB2C-DF4CA0172A26.jpg?v=1786748593"},{"product_id":"1820-2168","title":"FMF Factory 4.1 RCT Exhaust System - with Carbon Cap - Stainless Steel - MegaBomb  044483 1820-2168","description":"\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eAchieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eThe Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eNatural Aluminum with Carbon Fiber End Cap\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eMassive Power gains throughout the RPM range\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eRapid Tuning System\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eFMF uses the highest quality proprietary blend stainless steel made especially to standards\u003c\/li\u003e\n\u003cli class=\"feature-bullet font-weight-light ng-star-inserted\"\u003eManufactured 100% at the Southern California factory\n\u003ch2 class=\"mb-0 pb-1 title-2\"\u003eFitments\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive-sm\"\u003e\n\u003ctable class=\"table table-striped mb-4\"\u003e\n\u003ctbody class=\"ng-star-inserted\"\u003e\n\u003ctr class=\"ng-star-inserted\"\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"fitment-disclosure-and-warning\" class=\"row mt-3\"\u003e\n\u003cdiv class=\"col-12 col-lg-6\"\u003e\n\u003ch3 class=\"mb-1 h6\"\u003eFitment Disclosure\u003c\/h3\u003e\n\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":48560237478129,"sku":"044483","price":967.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/DF5BA0BB-B3C9-4D01-A139-F38DB987F157.jpg?v=1786748671"},{"product_id":"1820-2197","title":"FMF Factory 4.1 RCT Exhaust System - Titanium\/Anodized - Blue with Carbon End Cap - YZ450F 2026  044490","description":"The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.\u003cp\u003eThis Part Fits:\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450F 70th Anniversary Edition\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYZ450FX\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":48689963270385,"sku":"FMF044490","price":1237.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7695\/9568\/files\/8d41fc525bdc32b9266eb6b589713502L_e13549ba-8dea-477b-9434-e3adf4ab6e63.jpg?v=1786374523"}],"url":"https:\/\/www.bills-exhausts.com\/collections\/yz450f-2026.oembed","provider":"Bill's Performance LLC dba BILLS EXHAUSTS","version":"1.0","type":"link"}