FMF Racing Powercore 4 Spark Arrestor ATV Slip-On Exhaust White Advanced design XW-ring provides better

Advanced design XW-ring provides better sealing to extend wear life up to 100 percent

The mounting brackets are 6061 aluminum

especially under off-road conditions

plus TPR flap for broad ranging calf fit adjustment and support

Roller Diameter: 7

FMF Racing Powercore 4 Spark Arrestor ATV Slip-On Exhaust White Advanced design XW-ring provides betterFMF 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