FMF PowerCore 4 Full Exhaust
PowerCore 4 Full Exhaust The original and still best bang for the buck the PowerCore 4 S/A. This is a race design muffler at a value price. It features our exclusive Hi-Flo square core to evacuate exhaust better and provide maximum core surface area for sound absorption. The Hi-Flo technology is evident in the stainless steel formed endcaps as well. For maximum tunability, the PowerCore 4 for a number of applications has a highly versatile modular rear endcap for optional performance accessories ? a 2? or 1-3/4? endcap for smoother power delivery, a quiet core insert for the sound conscientious and a replacement spark arrestor screen.
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