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#1
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1972 Pontiac 350 Exhaust Size Advice (Flowmaster 40 series)
After 29 years I’m finally getting flowmaster 40 series. Wondering what size exhaust everyone would suggest. Thanks for any advice. (Stock manifolds, exhaust size, and tail pipe size).
Thanks again, Matt
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1972 LeMans' $41 Nose Job - Father Son Project Car 350 4bbl 3.55 Richmond Gears w/ Auburn Posi |
#2
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I think 2.5 is a good choice.
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#3
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With stock manifolds, and probably even headers, I agree that 2.5 is good. Any larger won't help.
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