FMF Racing Powercore 4 Stainless Slip-On MX Exhaust Street now it comes in a

now it comes in a HD version

The shorter canister not only saves weight

and go off-tracks beyond your limits

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it also significantly reduces weight

FMF Racing Powercore 4 Stainless Slip-On MX Exhaust Street now it comes in aFMF PowerCore 4 Slip On Exhaust When designing the PowerCore 4 Exhaust, FMF took a hard look at their top of the line mufflers to produce race inspired performance at a more economical price. The end result is a quality muffler that delivers improved torque, increased horsepower and rugged durability all at a price that won't break the bank. Features: Increase in power and torque through entire RPM range Durable stainless steel and aluminum