gonzo
01-30-2005, 09:28 AM
Would a stock exhaust with the muffler removed flow as good as a 4" with a muffler on a 03' Duramax?
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gonzo 01-30-2005, 09:28 AM Would a stock exhaust with the muffler removed flow as good as a 4" with a muffler on a 03' Duramax? | ||