Fmf Factory 4.1 Rct Slip-on Muffler
Fmf Factory 4.1 Rct Slip-on Muffler
Available in stock (9)
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Unleash the true potential of your machine with the FMF Factory 4.1 RCT Slip-On Muffler. This high-performance muffler delivers significant power gains and weight savings, enhancing your riding experience on and off the track. Built with precision and crafted from aerospace-grade materials, the Factory 4.1 RCT is engineered for durability and maximum performance.
Description
The Factory 4.1 RCT incorporates FMF's innovative Resonance Chamber Technology™ both internally and externally, optimizing exhaust flow for increased power across the entire RPM range. 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, improving handling and responsiveness. Constructed entirely in FMF's Southern California facility from aerospace-grade aluminum and stainless steel, the Factory 4.1 RCT ensures unmatched quality and performance. Experience the difference that precision engineering and top-tier materials can make.
Features & highlights
- Resonance Chamber Technology™ (RCT): Delivers significant power gains by optimizing exhaust flow.
- Factory Forward Engineering: Centralizes mass for improved handling and responsiveness.
- Aerospace-Grade Materials: Ensures durability and meets exacting quality standards.
- Massive Power Gains: Experience enhanced performance throughout the RPM range.
- Reduced Weight: Noticeable weight savings for improved agility.
- RTS (Rapid Tuning System): Allows for quick and easy tuning adjustments.
- Durable Construction: Built to withstand the rigors of off-road and track riding.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Muffler Material: Aluminum
- End Cap Material: Carbon Fiber
- Muffler Color/Finish: Raw
- Material: Aluminum, Stainless Steel
Important to know
This is a slip-on muffler, designed to connect to your existing stock or aftermarket header. Please verify fitment for your specific motorcycle model before ordering.
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
045594
Muffler
Aluminum
Carbon Fiber
Aluminum, Stainless Steel
Slip-On
Each


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.

