Thread: 07' Grand Prix GXP

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  1. #1 07' Grand Prix GXP 
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    So the ebay mufflers I see online, are they any good? I don't just see myself spending 200 plus on a exhaust.. I have the resonator cut off, what type of mufflers could I get to give it a decent V8 sound.
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  2. #2 Re: 07' Grand Prix GXP 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Ebay could mean like 500 different brands from china or wherever. What exactly are you looking at?

    Magnaflow or dynopro mufflers are under 100 each when you only need like 2 1/4in sized mufflers.

    Just be aware that any aftermarket muffler will sound like a helicopter when it goes down into 4 cylinder mode. The factory mufflers do a better job at muffling that sound. Ideally you'd want to disable the AFM/DoD system before it gives you a problem anyway.

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  3. #3 Re: 07' Grand Prix GXP 
    GrandPrix Junkie SgtMarshal's Avatar
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    I would follow overkills recipe

    http://www.getoverkilled.ca/LS4tech.html
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  4. #4 Re: 07' Grand Prix GXP 
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    Thanks, I have DOD disable in tune already. I already cut resonator off, just wanting something that gives a better V8 sound. Not a real performance boost.. I did check out the site and it had some good stuff in it, thank you.
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