Powercore 4 HEX 042309 Size:OS -New RTS (Rapid Tuning System)

-New RTS (Rapid Tuning System)

1 is FMF Racing's premier performance exhaust

more low-end

you can choose between a moto or supercross version

Powercore 4 HEX 042309 Size:OS -New RTS (Rapid Tuning System)When 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