{"product_id":"fmf-045663-factory-4-1-rct-exhaust-system-ktm-husqvarna-moto-house-mx","title":"FMF Factory 4.1 RCT Exhaust System (Anodized Titanium) 045663 - KTM \/ Husqvarna 500 XCF-W \/ FE501 2020-2022","description":"\u003ch1\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Exhaust System (Anodized Titanium) 045663 - KTM \/ Husqvarna 500 XCF-W \/ FE501 2020-2022\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;\"\u003eFeatures stainless steel header with titanium midpipe.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eUnleash massive power gains across the entire RPM range with the \u003cstrong\u003eFMF Factory 4.1 RCT Exhaust System\u003c\/strong\u003e 045663, engineered specifically for high-performance KTM and Husqvarna off-road machines. Built with a stainless steel header and titanium midpipe combined with an anodized titanium muffler, this full system delivers massive weight savings and exceptional durability.\u003c\/p\u003e\n\u003cp\u003eIncorporating patented FMF Resonance Chamber Technology both internally and externally, the 4.1 RCT features a shorter overall length that centralizes mass using Factory Forward Engineering. Manufactured 100% at FMF's Southern California facility from aerospace-grade materials, it also features the new Rapid Tuning System (RTS) for effortless maintenance.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 RCT Exhaust\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncorporates FMF Resonance Chamber Technology™ both internally and externally for optimized power delivery.\u003c\/li\u003e\n\u003cli\u003eShorter overall length centralizes mass and reduces crash vulnerability via Factory Forward Engineering.\u003c\/li\u003e\n\u003cli\u003eConstructed from aerospace-grade materials featuring a stainless steel header and titanium midpipe.\u003c\/li\u003e\n\u003cli\u003eEquipped with the new Rapid Tuning System (RTS) for fast, convenient trackside adjustments.\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\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eKTM\u003c\/td\u003e\n\u003ctd\u003e500 XCF-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003ctd\u003eFE501\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 the header and midpipe?\u003c\/b\u003e\u003cbr\u003eA: Yes, this system features a durable stainless steel header paired with a titanium midpipe and anodized titanium muffler.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What are the primary performance benefits of the Factory 4.1 RCT?\u003c\/b\u003e\u003cbr\u003eA: It delivers massive power gains across the entire RPM range, significant weight savings, and features FMF Resonance Chamber Technology.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing a high-performance full exhaust system, always use a fresh exhaust gasket at the cylinder port and apply a light coat of high-temp silicone sealant at slip-joints to prevent exhaust leaks. Check and re-torque all mounting bolts after your first heat cycle.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/ktm-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eKTM 4-Stroke Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/husqvarna-4-stroke-dirt-bikes-performance-parts-accessories-moto-house-mx\"\u003eHusqvarna 4-Stroke Performance Parts\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":46108332720211,"sku":"045663","price":1057.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/1489124.png?v=1788320107","url":"https:\/\/motohousemx.com\/products\/fmf-045663-factory-4-1-rct-exhaust-system-ktm-husqvarna-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}