FMF Factory 4.1 RCT Slip-On Muffler
FMF Factory 4.1 RCT Slip-On Muffler
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About this product
About this product
Experience unparalleled performance and quality with the FMF Factory 4.1 RCT Slip-On Muffler. Engineered for serious riders, this advanced exhaust system delivers significant power gains and enhanced durability, transforming your motorcycle's capabilities.
Description
The FMF Factory 4.1 RCT Slip-On Muffler is a pinnacle of exhaust engineering, designed to elevate your ride. It masterfully integrates FMF's cutting-edge Resonance Chamber Technology (RCT) both internally and externally. This innovative design optimizes exhaust flow, resulting in improved power delivery and a crisp, authoritative sound. Beyond performance, the Factory 4.1 RCT boasts a meticulously engineered shorter overall length. This strategic design not only makes the muffler less susceptible to crash damage but also complements FMF's Factory Forward Engineering. By moving the muffler closer to the motor, the system centralizes mass, significantly enhancing handling and rider control. Constructed from only aerospace-grade materials, this FMF exhaust meets the most exacting specifications for strength and longevity. Each unit is proudly manufactured 100% at FMF's state-of-the-art facility in Southern California, ensuring a consistent standard of excellence and reliability for your motorcycle.
Features & Highlights
- Advanced Resonance Chamber Technology (RCT): Utilizes FMF's proprietary internal and external RCT for optimized exhaust gas flow, delivering superior power output and a distinctive, performance-oriented sound.
- Enhanced Durability & Crash Resistance: Features a strategically shorter overall length, significantly reducing the muffler's vulnerability to damage during falls or impacts, ensuring long-lasting performance.
- Optimized Mass Centralization: Designed with FMF's Factory Forward Engineering, positioning the muffler closer to the engine to centralize mass, thereby improving handling, balance, and rider control.
- Premium Aerospace-Grade Construction: Built exclusively from high-quality aerospace-grade materials, ensuring exceptional strength, lightweight properties, and maximum durability under extreme riding conditions.
- Proudly Made in the USA: Manufactured entirely at FMF's Southern California factory, guaranteeing meticulous craftsmanship and adherence to the highest quality control standards.
Technical Specifications
- Brand: FMF
- Model: Factory 4.1 RCT
- Product Type: Slip-On Muffler
- Technology: Resonance Chamber Technology (RCT), Factory Forward Engineering
- Material: Aerospace-grade materials
- Manufacturing Location: Southern California, USA
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
045713
160.02 mm
160.02 mm
929.64 mm
Reviews


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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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