FMF 4 Stroke PowerCore 4 - Slip On S3-Brand-Acerbis with the foam filter element

with the foam filter element able to be cleaned and re-oiled

Handlebar riser

depending on your ride

For both helical and straight-cut gears

Starting with a standard half waffle grip

FMF 4 Stroke PowerCore 4 - Slip On S3-Brand-Acerbis with the foam filter elementPOWERCORE 4: 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 4 stroke muffler with improved torque, increased horsepower and rugged durability all at a price that wont break the bank. Massive power gains throughout the RPM range Huge weight savings Rapid Tuning System (RTS) FMF uses the highest quality proprietary blend of alloy grade