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12-26-2014, 11:44 AM
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Registered User
Join Date: Oct 2011
Location: phoenix, az
Posts: 508
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Stock 454 with 3" exhaust, is it too much?
Somewhere down the line of previous owners a 454 was dropped into my 1973 Chevy c20. It originally came with a 350 but when the 454 was dropped in they changed the exhaust system to a 3" single pipe with one muffler and no cat. My question is, would a smaller pipe or smaller dual pipes help or hurt performance?
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