Fmf Factory 4.1 Rct Slip-on Muffler
Fmf Factory 4.1 Rct Slip-on Muffler
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Unleash the full potential of your motorcycle with the FMF Factory 4.1 RCT Slip-On Muffler. Engineered for peak performance and durability, this muffler delivers significant power gains across the entire RPM range, providing a noticeable improvement in throttle response and overall rideability.
Description
The FMF Factory 4.1 RCT (Resonance Chamber Technology) muffler utilizes advanced internal and external resonance chambers to optimize exhaust flow and maximize power output. Its shorter overall length not only enhances aesthetics but also reduces vulnerability to crash damage. Complementing FMF's Factory Forward Engineering, the muffler's design centralizes mass by positioning it closer to the motor, improving handling and agility. Crafted from aerospace-grade materials, this slip-on muffler meets rigorous specifications, ensuring exceptional quality and longevity. The combination of stainless steel and carbon fiber components provides both strength and weight savings. Upgrade to the Factory 4.1 RCT and experience the difference in performance and sound.
Features & highlights
- Experience massive power gains throughout the entire RPM range, improving acceleration and overall performance.
- The Resonance Chamber Technology (RCT) optimizes exhaust flow for maximum power output.
- Enjoy huge weight savings compared to stock mufflers, enhancing handling and agility.
- Benefit from a shorter overall length that minimizes the risk of damage in the event of a crash.
- Rapid Tuning System (RTS) allows for easy maintenance.
- Crafted from aerospace-grade materials in FMF's Southern California factory for exceptional quality and durability.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Material: Carbon Fiber, Stainless Steel, Aluminum
- End Cap Material: Carbon Fiber
- Pipe Material: Stainless Steel
- Muffler Color/Finish: Raw
Important to know
This is a slip-on muffler, designed to be installed with the existing exhaust system components. Professional installation is recommended.
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
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
FMF
042374
Muffler
Aluminum
Carbon Fiber
Carbon Fiber, Stainless Steel
Slip-On
Each
Stainless Steel


Who is behind Parts Denmark
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.

