OBS 5.7: exhaust pipes 2.25 or 2.50 into the muffler?

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Nov 11, 2003 | 05:04 PM

Pro Stock John

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OBS 5.7: exhaust pipes 2.25 or 2.50 into the muffler?

I'm going to get either an Aerochamber or Maximum Flow muffler for the Tahoe, need to know the inlet size.

Nov 11, 2003 | 08:36 PM

Jeff_03Z71

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2 and 1/16th i think i have seen before

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