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Top 10 FMF products – best-selling models in 2026!
Ranking updated: 1 January 2026'
Discover FMF’s best-selling products. Top 10 hits loved by motorcyclists – see which models are number one in 2025!
Top 10 products
- Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler
- Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler
- Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler
- Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler
- Slip-On FMF PowerCore 2.1 short steel aluminum muffler
- Slip-On FMF PowerCore 2.1 stainless steel muffler
- Slip-On FMF PowerCore 4 HEX stainless steel muffler
- Slip-On muffler FMF Q4 HEX stainless steel
- Slip-On muffler FMF Q4 HEX stainless steel
- Complete exhaust system FMF Factory 4.1 RCT titanium carbon
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1. Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler
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General description
Massive Power gains throughout the RPM range
New RTS (Rapid Tuning System)
Huge weight savings
delivery 0 ££870.62
Product ID: 2730257
Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler Check -
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2. Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler
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General description
The lightest mufflers available
Superior power and performance - horsepower improved throughout the rpm range
Feature exclusive proprietary Chamber Core technology
Factory Forward Engineering centralizes mass, improves handling
Made from premium quality American materials
Customize with performance tuning inserts and spark arrestor module
Meet AMA sound requirements on most models- inserts available for others
delivery 0 ££870.62
Product ID: 2730258
Slip-On FMF Factory 4.1 RCT titanium / carbon fiber muffler Check -
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3. Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler
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General description
The lightest mufflers available
Superior power and performance - horsepower improved throughout the rpm range
Feature exclusive proprietary Chamber Core technology
Factory Forward Engineering centralizes mass, improves handling
Made from premium quality American materials
Customize with performance tuning inserts and spark arrestor module
Meet AMA sound requirements on most models- inserts available for others
delivery 0 ££652.96
Product ID: 2730259
Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler Check -
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4. Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler
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General description
Massive Power gains throughout the RPM range
New RTS (Rapid Tuning System)
Huge weight savings
delivery 0 ££652.96
Product ID: 2730260
Slip-On FMF Factory 4.1 stainless steel / carbon fiber muffler Check -
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5. Slip-On FMF PowerCore 2.1 short steel aluminum muffler
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General description
Taking the proven success of the Powercore 2, the Powercore 2 Shorty has a shorter inner core length and aluminum canister resulting in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm power
An excellent choice for tight tracks and supercross track applications
delivery 0 ££193.45
Product ID: 2730261
Slip-On FMF PowerCore 2.1 short steel aluminum muffler Check -
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6. Slip-On FMF PowerCore 2.1 stainless steel muffler
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General description
The Powercore 2 silencer provides a strong performance edge for any 2-stroke machine and the performance flow end cap and front stinger are stainless steel for unbeatable durability and an unmatched look
The lightweight extruded aluminum oval canister mated to a perforated core puts this silencer is above the competition
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7. Slip-On FMF PowerCore 4 HEX stainless steel muffler
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General description
POWERCORE 4 HEX MUFFLER
Overall increase in power and torque.
Durable stainless steel and aluminum construction.
Space Age internal packing material for maximum longevity.
Internal shape of core uses Hi-Flo technology.
Enhanced sonic evacuation provides for higher flow and increased power.
Includes removable spark arrestor.
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8. Slip-On muffler FMF Q4 HEX stainless steel
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General description
Less sound equals more ground
Meets FIM World Enduro sound regulations
Power gains throughout the entire rpm range
Spark arrestor included
Pounds lighter than stock
Rugged design for off-road endurance
Made in the U.S.A.
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9. Slip-On muffler FMF Q4 HEX stainless steel
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General description
Q4 HEX MUFFLER
High performance quiet technology and our Q4 HEX is the next evolution in off road exhaust.
The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available.
With the Q4 you don’t need to hear the power, just feel the power!
Features
Less sound equals more ground
Meets USFS and FIM World Enduro sound regulations
Power gains throughout the entire rpm range
Spark arrestor included
Pounds lighter than stock
Rugged design for off-road endurance
FOR CLOSED COURSE COMPETITION USE ONLLY. NOT INTENDED FOR STREET USE.
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10. Complete exhaust system FMF Factory 4.1 RCT titanium carbon
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General description
Factory 4.1 RCT model is a muffler typically designed for 4T motorcycles
the plating is made of extremely lightweight titanium, the intake is made of stainless steel
the silencer tip is made of carbon fiber
new RTS - Rapid Tuning System
exhaust installation allows to increase engine power in the whole rev range
definitely lighter than OEM
only aerospace grade materials were used in the production of Factory 4.1
original product of the renowned FMF brand -
The set includes
FMF exhaust manifold
FMF Factory 4.1 RCT muffler
installation kit
delivery 0 ££1,330.11
Product ID: 3016982
Complete exhaust system FMF Factory 4.1 RCT titanium carbon Check -