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Old 10-14-2016, 01:11 PM   #105 (permalink)
future370zzz
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Sorry, I used the trial and error method.

EDIT: Maybe because my side pipes are just 2.25" in diameter and should be 2.5" to match the exhaust diameter in theory.
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Last edited by future370zzz; 10-14-2016 at 01:19 PM.
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