{"product_id":"fmf-045690-factory-4-1-rct-slip-on-muffler-beta-moto-house-mx","title":"FMF Factory 4.1 RCT Slip-On Muffler (Blue Anodized Titanium \/ Carbon Fiber) 045690 - Beta 450 RC \/ 450 RX 2024-2026","description":"\u003ch2\u003e\u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler (Blue Anodized Titanium \/ Carbon Fiber) 045690 - Beta 450 RC \/ 450 RX 2024-2026\u003c\/strong\u003e\u003c\/h2\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;\"\u003eCompatible with stock header or FMF header.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eMaximize your machine's potential with the \u003cstrong\u003eFMF Factory 4.1 RCT Slip-On Muffler\u003c\/strong\u003e, designed to deliver race-ready performance and exceptional durability. Featuring state-of-the-art resonance technology, this exhaust system provides enhanced power throughout the entire powerband while meeting strict sound standards.\u003c\/p\u003e\n\u003cp\u003eEngineered with FMF's Factory Forward Engineering to centralize mass, the system is less prone to crash damage while optimizing exhaust flow. Built in the USA with high-grade blue anodized titanium and a carbon fiber end cap, it combines striking aesthetics with functional track performance.\u003c\/p\u003e\n\u003ch3\u003eTop Features: FMF Factory 4.1 RCT Slip-On Muffler\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output.\u003c\/li\u003e\n\u003cli\u003eInternal ducts increase internal volume for improved exhaust flow and power gains across the entire rev range.\u003c\/li\u003e\n\u003cli\u003eFactory Forward Engineering centralizes mass and reduces vulnerability to crash damage.\u003c\/li\u003e\n\u003cli\u003eInnovative rear end cap allows quick installation of tuning tip inserts or spark arrestor with four simple screws.\u003c\/li\u003e\n\u003cli\u003eMeets AMA and FIM sound requirements with QuietCore 94 dB insert and spark arrestor included.\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\u003e2024-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e450 RX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025-2026\u003c\/td\u003e\n\u003ctd\u003eBeta\u003c\/td\u003e\n\u003ctd\u003e450 RC\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 slip-on muffler come with a spark arrestor and sound insert?\u003c\/b\u003e\u003cbr\u003eA: Yes, it includes both a spark arrestor and a QuietCore 94 dB insert, and meets AMA and FIM sound requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Can I use this muffler with my stock header?\u003c\/b\u003e\u003cbr\u003eA: Yes, it is fully compatible with either the stock header or an aftermarket FMF header.\u003c\/p\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When servicing your slip-on muffler, always inspect the mid-pipe connection gasket and apply a thin layer of high-temp silicone sealant if necessary to prevent exhaust leaks. Ensure all mounting bolts are left loose until the entire system is aligned properly to avoid binding stress on the carbon fiber end cap.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/beta-4-stroke-dirt-bike-for-upgrade-superior-performance-parts-moto-house-mx\"\u003eBeta 4-Stroke Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/beta-350-rr-performance-parts-and-accessories-moto-house-mx\"\u003eBeta Performance Upgrades \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","brand":"FMF","offers":[{"title":"Default Title","offer_id":44015414771795,"sku":"1821-2102","price":809.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/4187766.png?v=1770166518","url":"https:\/\/motohousemx.com\/products\/fmf-045690-factory-4-1-rct-slip-on-muffler-beta-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}