Fmf Mini Factory 4.1 Slip-on Muffler
Fmf Mini Factory 4.1 Slip-on Muffler
Available in stock (14)
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Unleash the full potential of your motorcycle with the FMF Mini Factory 4.1 Slip-On Muffler. This high-performance muffler delivers superior power gains and improved handling, making it an essential upgrade for serious riders and enthusiasts.
Description
The FMF Mini Factory 4.1 Slip-On Muffler is engineered for peak performance and durability. Featuring FMF's exclusive Chamber Core technology, this muffler optimizes exhaust flow to deliver significant horsepower gains throughout the entire RPM range. Factory Forward Engineering centralizes mass, which vastly improves handling and responsiveness. Constructed from premium quality American materials, this muffler is available in natural titanium or blue anodized titanium, and fitted with stainless steel end caps. This slip-on muffler is easy to install and designed to meet AMA sound requirements on most models, with inserts available for others, allowing you to customize the sound and performance to your exact preferences. Upgrade to the FMF Mini Factory 4.1 and experience the difference in power, handling, and overall riding experience.
Features & highlights
- Experience superior power and performance with horsepower gains across the entire RPM range.
- Benefit from exclusive Chamber Core technology for optimized exhaust flow.
- Enjoy improved handling and responsiveness due to Factory Forward Engineering that centralizes mass.
- Crafted from premium quality American materials for exceptional durability and longevity.
- Customize your motorcycle's performance and sound with performance tuning inserts.
- Meets AMA sound requirements on most models, ensuring compliance and responsible riding.
- Available in natural titanium or blue anodized titanium.
Technical specifications
- Brand: FMF
- Product Name: Muffler
- Type: Slip-On
- Muffler Material: Aluminum
- End Cap Material: Stainless Steel
- Color/Finish: Stainless Steel
- Units: Each
Important to know
Customize with performance tuning inserts and spark arrestor module. Inserts available for models where AMA sound requirements are not met.
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
041594
Muffler
Aluminum
Stainless Steel
Slip-On
Each


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.

