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  1. 02-07-2021, 07:53 PM #1
    Cirenitram
    Cirenitram is offline
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    white
    2007 Envoy

    2007 GMC Envoy LH6 5.3L *Exhaust*

    i dont want to stray far from the stock location of the exhaust... with that said i was wondering if i modified a 3" y-pipe where the 2 - 3" sections merge into a 4" pipe and ran 4" all the way out back. my thinking is this would be the next best thing to a duel-exhaust setup. if this is an incredibly bad idea please let me know and what would be the correct way to go about it. thanks
    Last edited by Cirenitram; 02-08-2021 at 01:50 AM.
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