Thread: Looking for Muffler Part Number for a 2005 Grand Prix GXP

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  1. #1 Looking for Muffler Part Number for a 2005 Grand Prix GXP 
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    I am running out of options here in Canada on where to get Mufflers for my car. Does anyone know where I can find some mufflers. I work in the Parts Biz as well and I am coming up empty. Any help would be appreciated.


    Thanks
    Chris
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  2. #2 Re: Looking for Muffler Part Number for a 2005 Grand Prix GXP 
    GT Level Member mguzzo's Avatar
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    Walker 17666 (right), 17667 (Left)
    will Rockauto ship to you? or try on amazon, summit, Jegs, etc.
    --
    Current '98 GTP Coupe: Still stock and rust free. That will change.
    Old '98 GTP Coupe: VS Cam, 3.0, S2IC, 42.5#, TOGs, N*/LQ4, Corsa. it once ran a 13 flat
    Older '98 GTP Sedan: Pullied, rockered, SSIC, etc. Stock 14.33 @ 96.5 / PB: 13.89 @ 101
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  3. #3 Re: Looking for Muffler Part Number for a 2005 Grand Prix GXP 
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    Walker is discontinued and Rock auto doesnt sell it anymore. Anyone has any other ideas?
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  4. #4 Re: Looking for Muffler Part Number for a 2005 Grand Prix GXP 
    GT Level Member mguzzo's Avatar
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    I'm sure you already checked these out

    Dynomax Performance 17666 Dynomax Super Turbo Mufflers | Summit Racing
    Dynomax Performance 17667 Dynomax Super Turbo Mufflers | Summit Racing
    2005 PONTIAC GRAND PRIX 5.3L V8 Muffler | RockAuto

    is there anything specific about the GXP exhaust that needs a different muffler than the 3800? I'd expect that any GP muffler would work
    --
    Current '98 GTP Coupe: Still stock and rust free. That will change.
    Old '98 GTP Coupe: VS Cam, 3.0, S2IC, 42.5#, TOGs, N*/LQ4, Corsa. it once ran a 13 flat
    Older '98 GTP Sedan: Pullied, rockered, SSIC, etc. Stock 14.33 @ 96.5 / PB: 13.89 @ 101
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  5. #5 Re: Looking for Muffler Part Number for a 2005 Grand Prix GXP 
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    I am a little late to the party but for the benefit of everyone who reads this, do not use the Walker/Dynomax 17666/17667 mufflers! They will rust out in a couple years if you live anywhere where it snows. I went through 4 of them as they usually rust out about midway second winter. Cheap, cheap quality. I have ran Borla, Magnaflow, and Solo Performance (Stealth Series). Solo is my favorite to date. Flow well and only a little bit louder then stock.
    04 GP GT- top swap, VS cam, 2.8 pulley, E85, headers, 60 injectors, TEP 3:29 trans, Racelogic Traction Control, ZZP dyno tuned.
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  6. #6 Re: Looking for Muffler Part Number for a 2005 Grand Prix GXP 
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    Hey Brett

    I found a solo muffler dealer and I got some pricing and I am going to with them. Once I have the some money to get it done I will work on them for the pricing. Thanks again for the tip. I am glad it will be lifetime warranty.
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