Fmf Factory 4.1 Rct Slip-on Muffler
Fmf Factory 4.1 Rct Slip-on Muffler
In stock
-
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. This high-performance exhaust system is engineered to deliver massive power gains and significant weight savings, enhancing your riding experience on and off the track.
Description
The FMF Factory 4.1 RCT (Resonance Chamber Technology) incorporates advanced internal and external resonance chambers. This innovative design, combined with FMF's Factory Forward Engineering, positions the muffler closer to the engine, centralizing mass and reducing vulnerability to crash damage. Constructed entirely from aerospace-grade materials in FMF's Southern California facility, the Factory 4.1 RCT slip-on muffler delivers unmatched durability and performance. The rapid tuning system (RTS) allows for quick and easy adjustments. Upgrade to the FMF Factory 4.1 RCT slip-on muffler and experience the difference in power, handling, and overall riding enjoyment. This slip-on design makes installation straightforward, getting you back on the road or track faster.
Features & highlights
- Experience massive power gains throughout the entire RPM range, optimizing your bike's performance.
- Achieve significant weight savings, improving handling and overall agility.
- Benefit from the Resonance Chamber Technology (RCT), delivering enhanced exhaust flow and power.
- Enjoy increased durability and reduced crash damage susceptibility thanks to the shorter overall length and Factory Forward Engineering.
- RTS (Rapid Tuning System) allows easy and quick tuning adjustments.
- Manufactured using aerospace-grade materials to exacting specifications in FMF's Southern California factory, ensuring the highest quality and performance.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- End Cap Material: Carbon Fiber
- Muffler Color/Finish: Raw
- Material: Aluminum, Stainless Steel
Important to know
No specific requirements or limitations are listed for this product.
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
045558
Muffler
Aluminum
Carbon Fiber
Aluminum, 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.

