Thread: 2008 Grand Prix GXP 5.3L

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  1. #21 Re: 2008 Grand Prix GXP 5.3L 
    SE Level Member jimgimli's Avatar
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    i pulled 1.18 lateral G's in mine whoooa!!
    06 GXP, Stealth Gray Metallic, coldairinductios CAI, Exhaust cut out, Decals GXP:rear bumper Grand Prix: windshield Pontiac with diamond logo:rear window, red detailed engine bay, 14.13 1/4 mile
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  2. #22 Re: 2008 Grand Prix GXP 5.3L 
    SE Level Member Madhouse247's Avatar
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    I recently bought a used '08 GXP and my center speaker is buzzing also. What are the chances of Monsoon or Pontiac fixing it out of warranty as a factory defect? I really hoped it was something trapped in there.
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  3. #23 Re: 2008 Grand Prix GXP 5.3L 
    Oxymoron: Civic - Fun IR II IP IDEATH's Avatar
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    i have an 08 and mine buzzes too, its quite annoying when you turn up the volume, combined with all the dash noises its like a symphony of crappy noises.
    "Last night I didn't get much sleep so in the morning I made my coffee with red bull instead of water, I got half way to work before I realized I forgot my car."
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  4. #24 Re: 2008 Grand Prix GXP 5.3L 
    Donating Users Liquifire's Avatar
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    ask your dealer, if you bought it from a GM dealer, they should at least try and help you. You just made them a bunch of money. It never hurts to ask.
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  5. #25 Re: 2008 Grand Prix GXP 5.3L 
    SE Level Member Madhouse247's Avatar
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    Actually We bought it from a Toyota Dealership... But I guess it doesn't hurt to ask.
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  6. #26 Re: 2008 Grand Prix GXP 5.3L 
    GT Level Member tmackster's Avatar
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    welcome
    '06 GP GT // Debadged // 20" Niche Venice rims w/toyo proxes4 tires, ram air inferno hood, front air dam, SE rear valance, black l.e.d. tail lights, CAI, MSD Ignition wires, Pioneer 6x9, & 10,000K HID headlights!!!
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  7. #27 Re: 2008 Grand Prix GXP 5.3L 
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    I have a 08 gp gxp. Center speaker sound slightly blown (popping). But i'm getting buzzing behind dash constantly sounds like a noisy harddrive from a computer. send some replys. i'm sure many gp gxp owners have the same problem, its driving me out of my mind.
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  8. #28 Re: 2008 Grand Prix GXP 5.3L 
    Becca Boo MizzBecca's Avatar
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    Quote Originally Posted by rynoman03 View Post
    IMO Pontiac Screwed up with that Model and should have made the GXP rear wheel drive. That way you could mod it alot easier. Good luck finding mods. Sorry I can't be of any help.


    This.
    Shoulda got a G8


    But welcome
    I drive a POS
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