Quote:
Originally Posted by Iwantm3
how restrictive are our mufflers ? or do I not know wtf am I talking about ? Also what about the parts where the pipes are really squashed ? its a little bit before the mufflers, would getting same thickness pipes provide a better flow ? thanks
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Mufflers are MAINLY there for sound, but deleting the cats will give you the most HP gain. Ideally you want to get an exhaust that is roughly 3inches ALL THEY WAY BACK. I dont know if you are asking about the thickness of the pipe or the spread of the pipe?