Powercore 4 HEX 041586 Size:OS the trademarked Q uses internal

the trademarked Q uses internal technology that retains optimum flow characteristics while enhancing sound absorbtion qualities

Hi-Flo Core and End Cap

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Powercore 4 HEX 041586 Size:OS the trademarked Q uses internalWhen 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