{"product_id":"fmf-factory-4-1-rct-slip-on-muffler-blue-endcap","title":"FMF Factory 4.1 RCT Slip-On Muffler Blue Endcap","description":"\u003cp\u003eElevate your motorcycle's performance with the FMF Factory 4.1 RCT Slip-On Muffler, engineered to deliver significant power gains and a refined exhaust note. This premium FMF exhaust system integrates advanced technology for riders seeking a competitive edge on the track or trail.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe FMF Factory 4.1 RCT Slip-On Muffler is a state-of-the-art motorcycle exhaust component designed for serious riders. At its core is FMF's patented Resonance Chamber Technology (RCT), which utilizes a unique internal core shape and innovative internal ducts. This design not only lowers decibel levels to meet AMA and FIM sound requirements (pre-2025) but also significantly increases internal volume for improved exhaust flow, translating into impressive power gains across the entire RPM range. The Factory Forward Engineering concept centralizes mass for better handling and makes the muffler less susceptible to crash damage, a crucial benefit in demanding off-road conditions.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward, compatible with either your stock header or an FMF header, offering versatile upgrade options. The innovative rear end cap simplifies the process of installing tuning tip inserts or the included spark arrestor, requiring the removal of just four screws. This FMF Factory 4.1 RCT Slip-On Muffler comes with a distinctive blue anodized finish and a carbon fiber endcap, ensuring both top-tier performance and a factory look. A QuietCore 94 dB insert is also included, providing flexibility for various riding environments and sound regulations.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Resonance Chamber Technology (RCT):\u003c\/strong\u003e Experience optimized power output and a lower decibel level thanks to a uniquely shaped core and internal ducts that enhance exhaust flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power Delivery:\u003c\/strong\u003e Internal chamber ducts boost internal volume, leading to improved exhaust scavenging and noticeable power gains throughout the engine's entire powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Forward Engineering:\u003c\/strong\u003e Benefit from centralized mass for superior handling dynamics and a more robust design that reduces vulnerability to crash damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile End Cap Design:\u003c\/strong\u003e The innovative rear end cap allows for quick and easy installation of tuning tip inserts or the included spark arrestor with minimal tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Compliance \u0026amp; Inclusions:\u003c\/strong\u003e Meets current AMA and FIM sound requirements, featuring a QuietCore 94 dB insert and a spark arrestor pre-installed for immediate use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Finish:\u003c\/strong\u003e This specific model boasts a striking blue anodized finish complemented by a durable carbon fiber end cap for a factory race aesthetic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMuffler Type: Slip-On\u003c\/li\u003e\n\u003cli\u003eTechnology: Resonance Chamber Technology (RCT)\u003c\/li\u003e\n\u003cli\u003eEnd Cap Material: Carbon Fiber\u003c\/li\u003e\n\u003cli\u003eEnd Cap Finish: Blue Anodized\u003c\/li\u003e\n\u003cli\u003eSound Insert: QuietCore 94 dB (Included)\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor: Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRequires an existing header (compatible with stock or FMF headers).\u003c\/li\u003e\n\u003cli\u003eThis product will not pass the 2025 FIM sound regulation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":64330308583754,"sku":"18212328","price":1115.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/b17f456f2b68a68061cdb128e9064e20.webp?v=1794338645","url":"https:\/\/partsdenmark.de\/products\/fmf-factory-4-1-rct-slip-on-muffler-blue-endcap","provider":"Parts Denmark","version":"1.0","type":"link"}