{"product_id":"fmf-041605-factory-4-1-rct-exhaust-system-honda-crf450r-titanium-moto-house-mx","title":"FMF Factory 4.1 RCT Full Exhaust System 041605 - Honda CRF450R \/ CRF450RX 2021-2026","description":"\u003ch2\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Full Exhaust System 041605 - Honda CRF450R \/ CRF450RX 2021-2026\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe FMF \u003cstrong\u003eFactory 4.1 RCT Full Exhaust System\u003c\/strong\u003e integrates Resonance Chamber Technology, featuring a patented core shape that lowers decibels while maintaining maximum power output. Internal ducts within the system's chambers increase internal volume to improve exhaust flow, generating power gains across the entire powerband.\u003c\/p\u003e\n\u003cp\u003eEngineered with FMF's Factory Forward Engineering to centralize mass and reduce vulnerability to crash damage, this premium full system combines a lightweight titanium header pipe with a blue anodized titanium muffler canister and a carbon fiber end cap. It includes a QuietCore 94 dB insert and meets both AMA and FIM sound requirements.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 RCT Full System\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRCT (Resonance Chamber Technology) uses a patented core shape that lowers decibels while maintaining maximum power output.\u003c\/li\u003e\n\u003cli\u003eInternal ducts in the chambers increase internal volume for improved exhaust flow and power gains throughout the entire range.\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering design centralizes mass and makes the system less prone to crash damage[cite: 1].\u003c\/li\u003e\n\u003cli\u003eInnovative rear end cap allows simple installation of tuning tip inserts or spark arrestors with the removal of four screws[cite: 1].\u003c\/li\u003e\n\u003cli\u003eMeets AMA and FIM sound requirements, and includes a QuietCore 94 dB insert[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\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCRF450RX\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 full exhaust system include a QuietCore insert?\u003c\/b\u003e\u003cbr\u003eA: Yes, it includes a QuietCore 94 dB insert and meets AMA and FIM sound requirements[cite: 1].\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What materials are used to construct this full exhaust system?\u003c\/b\u003e\u003cbr\u003eA: It is built using lightweight titanium for both the header and muffler canister, finished with an anodized blue look and a carbon fiber end cap[cite: 1].\u003c\/p\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing a full titanium exhaust system, ensure all contact points and slip-joints are thoroughly wiped clean of oils or fingerprints using contact cleaner. Oils will permanently burn into high-grade titanium once the engine goes through its initial heat cycle.\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\/honda-crf450r-performance-parts-and-accessories-moto-house-mx\"\u003eHonda CRF450R Performance Parts \u0026amp; Accessories\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\n\u003cp\u003e \u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":42416821829715,"sku":"041605","price":1306.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/fmf-factory-41-rct-exhaust-system-titanium-041605-2021-2025-honda-crf450rx-923119.jpg?v=1738045695","url":"https:\/\/motohousemx.com\/products\/fmf-041605-factory-4-1-rct-exhaust-system-honda-crf450r-titanium-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}