Fmf Factory 4.1 Rct Slip-on Muffler - Titanium
Fmf Factory 4.1 Rct Slip-on Muffler - Titanium
Available in stock (15)
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your motorcycle's performance and style with the FMF Factory 4.1 RCT Slip-On Muffler. This titanium muffler delivers significant power gains and weight savings, enhancing your riding experience on any terrain. Experience the difference that premium materials and advanced engineering can make.
Description
The FMF Factory 4.1 RCT slip-on muffler is engineered with FMF's Resonance Chamber Technology™ both internally and externally, optimizing exhaust flow and maximizing power output across the RPM range. Its shorter overall length reduces vulnerability to crash damage, while the Factory Forward Engineering design centralizes mass by positioning the muffler closer to the engine. Constructed entirely from aerospace-grade titanium and carbon fiber end cap, this muffler meets FMF's strict quality standards and is manufactured in their Southern California facility. The anodized blue finish adds a touch of style to your ride, while the RTS (Rapid Tuning System) allows for quick and easy adjustments.
Features & highlights
- Experience massive power gains throughout the entire RPM range, improving acceleration and overall performance.
- Enjoy significant weight savings compared to stock mufflers, enhancing handling and maneuverability.
- Benefit from the Resonance Chamber Technology (RCT), which optimizes exhaust flow for maximum power.
- Reduce the risk of damage with the shorter muffler length and Factory Forward Engineering design.
- Take advantage of the Rapid Tuning System (RTS) for easy and precise adjustments.
- Premium aerospace-grade titanium construction ensures exceptional durability and performance.
- Add a touch of style with the anodized blue finish and carbon fiber end cap.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Material: Titanium
- Pipe Material: Titanium
- Muffler Material: Titanium
- End Cap Material: Carbon Fiber
- Muffler Color/Finish: Anodized Blue
Important to know
This is a slip-on muffler, designed to be installed with the existing stock header pipe. Ensure proper fitment for your specific motorcycle model before purchasing.
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
045561
Muffler
Titanium
Carbon Fiber
Titanium
Slip-On
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.

