Thread: mufflers?

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  1. #1 mufflers? 
    Donating Users danielle15's Avatar
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    Ive got a 99 gpgt and the stock mufflers are starting to rust out and I'm looking for opinions on affordable/cheaper replacements. I don't want something loud and obnouxious, but something that will still have some tone to sound good.
    We already have some SLP tips to install after the new muffs.
    And while I'm asking I've been told to do a "u bend delete", does anyone know where that sensor can be found to replace so that the engine light isnt set off once that is done? Or I guess what all is needed for that mod?

    Thank you!
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  2. #2 Re: mufflers? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Go with stock mufflers, they sound best if you don't want something obnoxious.

    For the ubend, all you have to do is go to a shop and have a pipe welded in the place of a bend, or purchase the U-bend delete pipe from one of the vendors and have it put in.

    Factory looks like this: U
    It flows better like this: -

    Deleteing your Ubend will not set a code off, only removing your cat would do that.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
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  3. #3 Re: mufflers? 
    The mod from over yonder TheOtherNick's Avatar
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    Get the walker replacement mufflers, u bend delete will not throw a code, just put an 02 sensor bung in the new pipe and reinstall the sensor.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  4. #4 Re: mufflers? 
    GT Level Member Dtrick22's Avatar
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    I put Thrush Turbo's on mine, they aren't super loud but everybody still knows when I come home.
    2006 GT- S1x, 3.25 MPS, Lucas 42.5, MAF, SD Headers, C5 Brakes, AGX/Vogtland, GMPP sways
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    I eat, drink, sleep, and masterbate to grand prix's. Come at me bro.
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  5. #5 Re: mufflers? 
    Donating Users iroc2's Avatar
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    youtube is your best friend

    happy searching!
    SMGPFC # 008 -White 1995 Grand Prix SE: tinted tails, Flowmaster 40 Series mufflers with resonating tips. much more to come eventually
    Quote Originally Posted by Xorbex View Post
    I almost beat the man but murphy showed up.
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  6. #6 Re: mufflers? 
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    walker quiet flow muffs are stainless, will last quite a long time.
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