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.
Increase in power and torque through entire RPM range
Durable stainless steel and aluminum construction
High quality internal packing material for maximum longevity