When designing the PowerCore 4, FMF looked at their top of the line products to deliver race inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability.
- Overall increase in power and torque
- Durable stainless steel and aluminum construction
- Advanced packing material for maximum longevity
- Removable spark arrestor built in
- Quiet insert sold separately
Note: For closed course competition use only. Not intended for street use.
Note: Image for reference only. Actual product may vary according to vehicle.
Click on the Year for your Make/Model below to select it.
Honda CRF 110F
Honda CRF 125F
Honda CRF125FB BIG WHEEL
Kawasaki KLX 125
Kawasaki KLX 140
Kawasaki KLX 140G
Kawasaki KLX 140L
Kawasaki KLX140R F
Kawasaki KLX140R L
Suzuki DR-Z 125
Suzuki DR-Z 125L
Suzuki RM-Z 450
Yamaha TT-R 110E
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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