FMF Racing Powercore 4 Spark Arrestor ATV Slip-On Exhaust Model:YFM660R Raptor 2001-2005 Don't worry about increased friction

Don't worry about increased friction

Excellent fit

Meets US Forest Service standards

Yoshimura RS-2 Slip-On Exhaust

FMF Racing Powercore 4 Spark Arrestor ATV Slip-On Exhaust Model:YFM660R Raptor 2001-2005 Don't worry about increased frictionFMF 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