Fmf Factory 4.1 Exhaust System - Enhanced Performance
Fmf Factory 4.1 Exhaust System - Enhanced Performance
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Estimated delivery: Feb 03 - Feb 07
About this product
About this product
Unleash the full potential of your motorcycle with the FMF Factory 4.1™ Exhaust System. This complete system delivers superior power and performance across the entire RPM range, enhancing your riding experience. FMF's innovative design optimizes both power delivery and handling.
Description
The Factory 4.1™ Exhaust System is engineered to provide a significant boost in horsepower throughout the RPM range. Its factory forward engineering centralizes mass, resulting in improved handling and agility. The system's titanium muffler, finished with an anodized blue, not only looks great but also contributes to weight reduction. The stainless steel header pipe ensures durability and optimal exhaust flow. This complete exhaust system gives your bike a competitive edge, whether on the track or trail. Experience the difference that a meticulously designed exhaust system can make.
Features & highlights
- Experience a significant horsepower increase across the entire RPM range for enhanced acceleration and responsiveness.
- Improved handling due to factory forward engineering, centralizing mass for better agility.
- The titanium muffler delivers weight savings and a distinctive look with its anodized blue finish.
- Durable stainless steel header pipe designed for optimal exhaust flow and long-lasting performance.
- Complete exhaust system provides a comprehensive upgrade to your motorcycle's performance.
Technical specifications
- Brand: FMF
- Product Name: Exhaust System
- Type: Full System
- Design/Configuration: 1-Into-1 System
- Muffler Material: Titanium
- Muffler Color/Finish: Anodized Blue
- End Cap Material: Carbon Fiber
- Pipe Material: Stainless Steel
- Weight: 2.27 kg (5 lb)
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
044438
Exhaust System
2,27 kg (5 lb)
Titanium
Carbon Fiber
Full System
Blue
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.

