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 machine with the FMF Factory 4.1 RCT Slip-On Muffler. This high-performance muffler delivers massive power gains throughout the RPM range, offering a significant upgrade in both performance and style.
Description
The FMF Factory 4.1 RCT Slip-On Muffler features FMF's innovative Resonance Chamber Technology™ (RCT), both internally and externally. This technology optimizes exhaust flow and enhances power delivery. Its shorter overall length minimizes the risk of crash damage, while FMF's Factory Forward Engineering centralizes mass by positioning the muffler closer to the engine. Constructed entirely from aerospace-grade materials to FMF's exacting standards, this muffler is manufactured 100% in Southern California. The slip-on design ensures easy installation, getting you back on the road or track quickly. Experience a significant weight reduction alongside improved performance and enhanced durability with the FMF Factory 4.1 RCT.
Features & highlights
- Resonance Chamber Technology™ (RCT) optimizes exhaust flow for maximum power.
- Shorter design reduces vulnerability to crash damage.
- Factory Forward Engineering centralizes mass for improved handling.
- Aerospace-grade materials ensure exceptional durability and performance.
- Significant weight savings enhance overall vehicle agility.
- RTS (Rapid Tuning System) allows for easy performance adjustments.
- Proudly manufactured in Southern California, USA.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Material: Aluminum
- Pipe Material: Stainless Steel
- End Cap Material: Carbon Fiber
- Muffler Color/Finish: Raw
- Muffler Material: Aluminum
Important to know
No additional hardware is included beyond what is needed for direct muffler replacement.
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
042369
Muffler
Aluminum
Carbon Fiber
Aluminum
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.

