Fmf Factory 4.1 Rct Exhaust System Full System
Fmf Factory 4.1 Rct Exhaust System Full System
Available in stock (11)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Experience a significant boost in performance with the FMF Factory 4.1 RCT Exhaust System. Engineered for maximum power gains across the entire RPM range, this full system delivers unparalleled performance and durability for serious riders.
Description
The FMF Factory 4.1 RCT exhaust system integrates FMF's Resonance Chamber Technology™ both internally and externally to optimize exhaust flow and power delivery. Its shorter overall length enhances crash resistance and complements FMF's Factory Forward Engineering, centralizing mass by positioning the muffler closer to the engine. Crafted from aerospace-grade materials and manufactured entirely in Southern California, the Factory 4.1 RCT ensures exceptional quality and reliability. The included MegaBomb header further improves exhaust scavenging for even greater power gains. Enjoy a significant weight reduction and the convenience of the Rapid Tuning System (RTS) for easy maintenance. This system also includes a spark arrestor screen insert for responsible off-road riding. Upgrade your bike with the FMF Factory 4.1 RCT and experience the difference.
Features & highlights
- Unleash massive power gains throughout the entire RPM range, providing a noticeable improvement in acceleration and overall performance.
- Experience significant weight savings, contributing to improved handling and agility on the track or trail.
- Benefit from the included MegaBomb header, which optimizes exhaust scavenging for enhanced power delivery.
- Enjoy the convenience of the Rapid Tuning System (RTS) for quick and easy maintenance and tuning adjustments.
- Ride responsibly with the included spark arrestor screen insert, ensuring compliance with off-road regulations.
- Experience superior durability with aerospace-grade materials, manufactured to FMF's exacting standards in Southern California.
- Enhanced crash resistance due to shorter overall length and optimized mass centralization.
Technical specifications
- Brand: FMF
- Product Name: Exhaust System
- Type: Full System
- End Cap Material: Carbon Fiber
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- Muffler Color/Finish: Raw
- Material: Carbon Fiber, Stainless Steel
Important to know
Please note: This exhaust system will not pass the 2025 FIM sound regulation.
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
044456
Exhaust System
Aluminum
Carbon Fiber
Carbon Fiber, Stainless Steel
Full System
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.

