{"product_id":"fmf-041517-factory-4-1-rct-slip-on-muffler-honda-crf450x-moto-house-mx","title":"FMF Factory 4.1 RCT Slip-On Muffler (Stainless\/Aluminum) 041517 - Honda CRF450X 2005-2017","description":"\u003ch1\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler (Stainless Steel \/ Aluminum) 041517 - Honda CRF450X 2005-2017\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler\u003c\/strong\u003e features a patented Resonance Chamber Technology core shape designed to lower decibels while sustaining maximum power output[cite: 1]. Its internal chamber ducts expand volume to improve exhaust scavenging, generating performance gains across the entire powerband[cite: 1].\u003c\/p\u003e\n\u003cp\u003eEngineered with FMF's Factory Forward Engineering to centralize mass and resist crash impact damage[cite: 1], this system is built from a durable combination of stainless steel and aluminum. It comes equipped with a QuietCore 94 dB insert and a spark arrestor[cite: 1], ensuring compliance with AMA and FIM sound regulations[cite: 1].\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 RCT\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRCT patented core shape reduces decibels while preserving maximum power output[cite: 1].\u003c\/li\u003e\n\u003cli\u003eInternal duct chambers increase volume to optimize exhaust flow and broaden power delivery[cite: 1].\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering centralizes mass and minimizes crash vulnerability[cite: 1].\u003c\/li\u003e\n\u003cli\u003eIncludes a QuietCore 94 dB insert and integrated spark arrestor[cite: 1].\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your motorcycle 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\u003e2005-2009\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2017\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450X\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: Is this slip-on muffler compatible with the stock header?\u003c\/b\u003e\u003cbr\u003eA: Yes, it is fully compatible with either the stock OE header or an aftermarket FMF header[cite: 1].\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Does the package include a spark arrestor and a quiet insert?\u003c\/b\u003e\u003cbr\u003eA: Yes, both a spark arrestor and a QuietCore 94 dB insert are included[cite: 1].\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing your slip-on exhaust, clean the mid-pipe connection thoroughly and apply a light bead of high-temperature silicone to prevent exhaust leaks and carbon buildup at the slip joints.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/honda-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eHonda 4-Stroke Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-chains\"\u003eMX Chains\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eMotorcycle Tools \u0026amp; Accessories\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 bikes. 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","brand":"FMF","offers":[{"title":"Default Title","offer_id":41549709246547,"sku":"041517","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/fmf-aluminum-factory-41-rct-slip-on-carbon-fiber-end-cap-041517-2005-2009-2012-2017-honda-crf450x-650521.jpg?v=1735341938","url":"https:\/\/motohousemx.com\/products\/fmf-041517-factory-4-1-rct-slip-on-muffler-honda-crf450x-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}