{"product_id":"fmf-044438-factory-4-1-exhaust-megabomb-yamaha-yfz450r-moto-house-mx","title":"FMF Factory 4.1 Exhaust System with Megabomb Header (Titanium\/Blue\/Carbon) 044438 - Yamaha YFZ450R \/ YFZ450X 2009-2026","description":"\u003ch1\u003e\u003cstrong\u003eFMF Factory 4.1 Exhaust System with Megabomb Header (Titanium\/Blue\/Carbon) 044438 - Yamaha YFZ450R \/ YFZ450X 2009-2026\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv style=\"background-color: #fdecea; border: 1px solid #f5c2c0; border-left: 5px solid #d93025; border-radius: 6px; padding: 10px 14px; margin: 12px 0; box-sizing: border-box; width: 100%; max-width: 100%; word-wrap: break-word; overflow-wrap: break-word; font-size: 15px; line-height: 1.5;\"\u003e\n\u003cstrong style=\"color: #b3261e;\"\u003ePlease Note:\u003c\/strong\u003e \u003cspan style=\"color: #5f1a15;\"\u003eThis complete exhaust system features the FMF Megabomb header.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eUpgrade your ATV with the FMF Factory 4.1 Exhaust System featuring the Megabomb header, delivering superior power and performance for the Yamaha YFZ450R and YFZ450X. This \u003cstrong\u003ecomplete exhaust system\u003c\/strong\u003e is specifically engineered to improve horsepower output throughout the entire rpm range, giving your machine the edge it needs on the track or the trail.\u003c\/p\u003e\n\u003cp\u003eBuilt with factory forward engineering, this setup actively centralizes mass to noticeably improve the handling characteristics of your ATV. Constructed with a durable stainless steel pipe, a lightweight titanium muffler with a striking anodized blue finish, and a resilient carbon fiber end cap, this exhaust delivers a massive reduction in weight while maximizing exhaust flow and long-term durability.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 Exhaust\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete 1-into-1 exhaust system includes both the FMF Megabomb header and the Factory 4.1 muffler.\u003c\/li\u003e\n\u003cli\u003eMuffler features full titanium construction with a blue anodized finish and a lightweight carbon fiber end cap.\u003c\/li\u003e\n\u003cli\u003eHeader pipe is constructed from rugged stainless steel to withstand aggressive off-road riding conditions.\u003c\/li\u003e\n\u003cli\u003eFactory forward engineering strategically centralizes mass, improving overall maneuverability and handling.\u003c\/li\u003e\n\u003cli\u003eSignificantly improves horsepower and throttle response throughout the entire RPM range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your ATV before finalizing your purchase.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2009-2026\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ450R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2010-2011\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFZ450X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Does this system include the header pipe?\u003c\/b\u003e\u003cbr\u003eA: Yes, this is a complete 1-into-1 exhaust system that includes the FMF Megabomb stainless steel header pipe along with the titanium muffler.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What materials are used in this exhaust system?\u003c\/b\u003e\u003cbr\u003eA: The header pipe is made of stainless steel, the muffler canister is titanium with a blue anodized finish, and the end cap is crafted from carbon fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing a full exhaust system like this on a modern fuel-injected ATV like the YFZ450R, you will need to remap the ECU or install an aftermarket fuel controller to optimize the air\/fuel ratio for the increased exhaust flow and prevent the engine from running too lean.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yfz450-performance-motocross-sport-quads-atv-moto-house-mx\"\u003eYamaha YFZ450 Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/2-stroke-performance-quads-atv\"\u003eATV \u0026amp; Quad Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/lithium-batteries-for-off-road-vehicles-from-fire-power-moose-racing-parts-unlimited-and-get\"\u003eOff-Road Lithium Batteries\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout Moto-House MX\u003c\/h3\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e\u003cstrong\u003eMoto-House MX - Choice of Champions\u003c\/strong\u003e - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":41206020079699,"sku":"044438","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/fmf-factory-41-rct-exhaust-with-megabomb-header-anodized-titanium-044438-2009-2020-yamaha-yfz450r-yfz450x-482563.jpg?v=1735341998","url":"https:\/\/motohousemx.com\/products\/fmf-044438-factory-4-1-exhaust-megabomb-yamaha-yfz450r-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}