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3 inch exhaust
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11-08-2021, 08:03 PM
hdpontiac
Senior Member
Join Date: Aug 2008
Posts: 129
3 inch exhaust
My question is that I have a Pontiac 428 making around 500-550 horsepower is it worth changing my exhaust system from the current 2-1/2 system to 3inch what are the pro and cons for doing this .
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