Fmf Factory 4.1 Rct Slip-on Muffler
Fmf Factory 4.1 Rct Slip-on Muffler
Available in stock (14)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The FMF Factory 4.1 RCT slip-on muffler delivers top-tier performance and durability for closed course competition. Designed for enthusiasts and professionals, this muffler enhances your machine's power and responsiveness while reducing weight.
Description
The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, optimizing exhaust flow and power delivery. Its shorter overall length minimizes the risk of crash damage and complements Factory Forward Engineering by positioning the muffler closer to the engine, centralizing mass for improved handling. Constructed entirely from aerospace-grade materials to exacting standards, this muffler is manufactured in FMF's southern California factory, ensuring superior quality and performance. This titanium slip-on muffler features a striking anodized blue finish with a carbon fiber end cap, adding style and performance to your machine. Upgrade your exhaust system with the FMF Factory 4.1 RCT slip-on muffler for enhanced power, durability, and a competitive edge. Get ready to experience improved throttle response and a noticeable increase in horsepower.
Features & highlights
- Optimized exhaust flow and power delivery through FMF's Resonance Chamber Technology (RCT).
- Reduced risk of damage with a shorter overall length.
- Centralized mass improves handling.
- Crafted from aerospace-grade materials for exceptional durability.
- Eye-catching anodized blue finish with a carbon fiber end cap.
- Manufactured in the USA.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Muffler Material: Titanium
- Pipe Material: Titanium
- Muffler Color/Finish: Anodized Blue
- End Cap Material: Carbon Fiber
- End Cap Color/Finish: Black
Important to know
This muffler is designed for closed course competition use only and will not pass 2025 FIM sound regulations.
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
045695
Muffler
Titanium
Carbon Fiber
Slip-On
Blue
Each
Titanium


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.

