Powercore 4 HEX 043370 COBRA -50 SENIOR-2014 Closed Course Big Bore System

Closed Course Big Bore System or as a Spark Arrestor Version

FMF is about moving forward

Increases output from stock motor as much as 3hp

-Spark arrestor included

Taking the proven success of the Powercore 2

Powercore 4 HEX 043370 COBRA -50 SENIOR-2014 Closed Course Big Bore SystemWhen 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