Powercore 4 HEX 045645 Color:No Color 1 exhaust system with the

1 exhaust system with the Powerbomb header is FMF's premier exhaust system

The Powercore 2 is the measure which others aim for

FMF loves 2-strokes

Logos Knit Into Body

•    Single layer replacement lens

Powercore 4 HEX 045645 Color:No Color 1 exhaust system with theWhen designing the PowerCore 4 HEX, we looked at our 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 all at a price that won't break the bank. Overall increase in power and torque. Durable stainless steel and aluminum construction. Space Age internal packing material for maximum longevity. Internal shape of core