Fmf Mini Factory 4.1 Exhaust System
Fmf Mini Factory 4.1 Exhaust System
Available in stock (15)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Unleash superior power and performance with the FMF Mini Factory 4.1 Exhaust System. Designed to exceed stock system capabilities, this full system exhaust enhances your motorcycle's power delivery and overall riding experience. Experience the difference FMF quality makes.
Description
The FMF Mini Factory 4.1 Exhaust System delivers a significant power boost over stock systems. Available with stainless steel headers and featuring FMF's Factory Forward Engineering, this exhaust system centralizes mass, reducing the risk of damage in the event of a crash. The innovative rear end cap allows for easy installation of tuning tip inserts or a spark arrestor with the removal of just four screws. This system is engineered to meet AMA and FIM sound requirements and includes a QuietCore 94 dB insert. The FMF Mini Factory 4.1 is the ideal upgrade for riders seeking top-tier performance and durability from a full exhaust system.
Features & highlights
- Experience a significant power increase compared to stock exhaust systems.
- Constructed with high-quality stainless steel and titanium for maximum durability and weight reduction.
- Factory Forward Engineering centralizes mass and minimizes potential crash damage.
- Innovative rear end cap design enables quick and easy installation of tuning tips or a spark arrestor.
- Meets strict AMA and FIM sound regulations for compliant racing.
- Includes a QuietCore 94 dB insert for noise reduction.
- Spark arrestor included for safe off-road riding.
Technical specifications
- Brand: FMF
- Product Name: Exhaust System
- Type: Full System
- End Cap Material: Stainless Steel
- Muffler Material: Titanium
- Pipe Material: Stainless Steel
Important to know
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
042381
Exhaust System
Titanium
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.

