Re: Questions on 2.5" vs 3" Exhaust
Only input I will give to this thread is, with the 469" motor, I ran Hedman 68198 (1.75 x 3" ) headers into 3" pipes with 3" X-pipe installed , through Pypes 3" in/out 18" Race Pro mufflers. I did have 3" tails, but I do think 2.5" tails would have worked fine. Exhaust volume was very manageable cruising around and sounded great at WOT. Probably could've ran 2.5" head pipes with little to no compromise. I think the big issue is whether you run a straight thru design muffler or baffled.
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