Thread: 2008 Grand Prix GXP 5.3L

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  1. #1 2008 Grand Prix GXP 5.3L 
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    Been looking for after market parts for my ride. I would like to increase HP and Torque. All I seem to find are truck parts that wont fit my engine compartment. I just want to go alot faster. Need more horses to keep up with the G8GT 362hp dont like to be beaten. If anyone knows where to order after market parts for this car please let me know. THANKS
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  2. #2 Re: 2008 Grand Prix GXP 5.3L 
    I AM PEWPIN! rynoman03's Avatar
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    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.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  3. #3 Re: 2008 Grand Prix GXP 5.3L 
    GXP Level Member SlowM90's Avatar
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    Welcome! There is parts out there...and im sure you can find them on here. Just look around!
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  4. #4 Re: 2008 Grand Prix GXP 5.3L 
    GrandPrix Junkie The Guz's Avatar
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    I have seen the following:
    K&N CAI
    Cold Air Inductions CAI (http://www.coldairinductions.com/W-B...oldAirBox.html
    Magnaflow Exhaust
    Superchips handheld tuner

    ZZP also sells some rockers (ZZ Performance).

    You might want to chack out the LS4 section over on ls1tech.
    1999 GP GT 18" Boss 353 Concave|SLP CAI|Borla Cat Back|Plog|HV3|HV TB|ER Rockers|Custom Retrofit Projectors|GMPP Lowering|GMPP Handling|MPD F1|Full Diode Dynamic LEDs
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  5. #5 Re: 2008 Grand Prix GXP 5.3L 
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    The Impala SS guys have a lot of info on their board, plus a little more time with the transverse LS.

    7th Gen Engine Performance - Chevy Impala SS Forums
    1969 Custom 10 | LT1 - 4L80E - 2 inch drop - Primer and rust
    The rest of my stable: 1999 Dark green GTP | Stock / 2000 Ford F-150 | Stock / 1993 Buick Regal | Strait pimpin'
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  6. #6 Re: 2008 Grand Prix GXP 5.3L 
    I live here. UR LOSN's Avatar
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    Welcome to the forums! your cheapest best bet is spray it 125....
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  7. #7 Re: 2008 Grand Prix GXP 5.3L 
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    welcome to the forums.
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  8. #8 Re: 2008 Grand Prix GXP 5.3L 
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    you should check out nelson performance heres a link Nelson Performance - Performance without Sacrificing Drivability. you should be able to use some stuff from trucks and cars.
    http://i130.photobucket.com/albums/p...07786772-1.jpg
    02 Z71 his: sold gone but not forgotten
    04 GTP his: Bone stock
    03 Z71 hers: 6in lift
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  9. #9 Re: 2008 Grand Prix GXP 5.3L 
    GTP Level Member Ice Blue La Crosse's Avatar
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    welcome
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  10. #10 Re: 2008 Grand Prix GXP 5.3L 
    Donating Users BADAZGTP's Avatar
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    Welcome to the forum. Happy to have you here.
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  11. #11 Re: 2008 Grand Prix GXP 5.3L 
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    Rockers, exhaust, downpipe, cai, tune, tbs, ported tb/intake, turbo and trans with 3.29 gearing ($$$), springs, stb...etc
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  12. #12 Re: 2008 Grand Prix GXP 5.3L 
    GTX Level Member Panther427's Avatar
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    Welcome 08GXP owner here. Post up some specific questions in the GXP/LS4 section.
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  13. #13 Re: 2008 Grand Prix GXP 5.3L 
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    i too have an 08 gxp. anybody had problems yet w/ the middle dash speaker. its makin a buzzing noise. im guessin to a lotta people thats old news. i read in other places that people have made the replacements, but w/ the same speaker, and it too buzzes as well. any ideas or information on what i could or should do. its under a warranty for quite a while, and im just wonderin what to do. i love listening to tunes, and theres no way im going to put up w/ this for long??? aim = bumrock41. thanks.
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  14. #14 Re: 2008 Grand Prix GXP 5.3L 
    GTX Level Member WhiteDevil's Avatar
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    ^^put a noise filter on it.^^
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  15. #15 Re: 2008 Grand Prix GXP 5.3L 
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    go to pfyc.com,click on grand prix, they have a sweet turbo kit out for the gxp,comes with everything needed,it is a small but powerfull unit ck it out
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  16. #16 Re: 2008 Grand Prix GXP 5.3L 
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    Hey I have a 2006 gxp and the same exact thing was happening to my speaker. on mine it was the right door that was buzzing. i took it in and they replaced the speaker and it did nothing. they need to replace the head unit and that fixes the problem.
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  17. #17 Re: 2008 Grand Prix GXP 5.3L 
    The Blue One blueguy's Avatar
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    Welcome!
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  18. #18 Re: 2008 Grand Prix GXP 5.3L 
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    hey thanks for lettin me know man. im gonna take it to my local pontiac dealer and let them know. itll piss me off if i take it in and it does absolutely nothing. they should fix it all or nothing. thanks again.
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  19. #19 Re: 2008 Grand Prix GXP 5.3L 
    SE Level Member Tamara's Avatar
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    I bought mine in October and have not heard the buzzing noise yet. How long did you have yours before it started?
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  20. #20 Re: 2008 Grand Prix GXP 5.3L 
    I live here. GTPJOE90's Avatar
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    Hi to all the noobies =]
    hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's
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