Fmf Factory 4.1 Rct Exhaust System Full System
Fmf Factory 4.1 Rct Exhaust System Full System
Available in stock (15)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
The FMF Factory 4.1 RCT Exhaust System delivers cutting-edge performance and durability for serious riders. This full system exhaust is engineered to enhance power, reduce weight, and withstand the rigors of off-road and track use. Experience the difference that FMF's advanced technology can make in your machine's performance.
Description
The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ (RCT) both internally and externally, optimizing exhaust flow and maximizing power output. Its shorter overall length minimizes vulnerability to 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 meet FMF's stringent standards, the Factory 4.1 RCT is manufactured in Southern California ensuring the highest quality and performance. This exhaust system features a stainless steel collector, aluminum muffler with a natural finish, and a conical carbon fiber end cap in black for a sleek, aggressive look. Upgrade your ride with the FMF Factory 4.1 RCT Exhaust System and experience unparalleled performance and reliability.
Features & highlights
- Unleash maximum power with FMF's Resonance Chamber Technology (RCT).
- Reduce the risk of damage with a shorter, more compact design.
- Improve handling with optimized mass centralization.
- Enjoy superior durability with aerospace-grade materials.
- Show off the stylish look of the conical carbon fiber end cap.
- Experience the quality of 100% manufactured in the USA.
Technical specifications
- Brand: FMF
- Type: Full System
- Design/Configuration: Single Canister
- Muffler Material: Aluminum
- Muffler Color/Finish: Natural
- Pipe Material: Stainless Steel
- End Cap Material: Carbon Fiber
- End Cap Style: Conical
- End Cap Color/Finish: Black
- Collector: Stainless Steel
Important to know
Please note: This Factory 4.1 RCT 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
045649
Exhaust System
Aluminum
Carbon Fiber
Stainless Steel Collector
Full System
Kit
Stainless Steel
Conical


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.

