{"product_id":"factory-4-1-rct-s-s-alu-s-o-w-c-cap-yz250f","title":"FMF FACTORY 4.1 RCT S\/S ALU S\/O W\/C.CAP YZ250F - 79-40638","description":"\u003cp\u003eThe FMF Factory 4.1 RCT aluminum slip-on exhaust for YZ250F is a purpose-built motocross exhaust that keeps sound in check without giving up a single watt of peak power, making the FMF Factory 4.1 RCT aluminum slip-on exhaust YZ250F one of the sharpest bolt-on upgrades available for this platform. FMF pairs an aluminum canister with a stainless steel mid-pipe, giving you a real weight reduction over stock while keeping the build tough enough for hard riding. Power delivery comes through crisp and consistent whether you're on the track or pushing through trails. It ships with both a spark arrestor and a wash plug so you're covered right out of the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeeps sound levels compliant without sacrificing maximum power output through FMF's patented RCT core design.\u003c\/li\u003e\n  \u003cli\u003eBuilt with an aluminum canister and stainless steel mid-pipe for meaningful weight savings over stock.\u003c\/li\u003e\n  \u003cli\u003eDesigned with Factory Forward Engineering to centralize mass and resist crash damage better than rearward-mounted canisters.\u003c\/li\u003e\n  \u003cli\u003eFits a rear end cap system that accepts tuning tip inserts or a spark arrestor with no tools hassle.\u003c\/li\u003e\n  \u003cli\u003eDelivers patented canister geometry that increases internal volume for more sound-absorbing material, a real advantage for YZ250F performance exhaust riders chasing compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePick up the FMF Factory 4.1 RCT aluminum slip-on exhaust at DDRV.com, authorized dealer.\u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":46124389859581,"sku":"79-40638","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/9444\/4797\/files\/79-40638.jpg?v=1778093706","url":"https:\/\/shop.ddrv.com\/products\/factory-4-1-rct-s-s-alu-s-o-w-c-cap-yz250f","provider":"DDRV.com","version":"1.0","type":"link"}