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Recent content by 06GPGXP33

  1. 06GPGXP33

    new ls4 headers?

    does anyone know if these will work for the ls4? i went on ebay and just typed grand prix gxp headers and these came up. Hooker Headers 8501 LS Cast Iron Exhaust Manifolds | eBay
  2. 06GPGXP33

    gxp headers question

    any other headers out there for the ls4 besides doug throley
  3. 06GPGXP33

    gxp question

    i didnt know where else to post this but are there any other headers out there for the gxp besides the doug throley? thanks
  4. 06GPGXP33

    ls4 question

    Can you stroke or bore out the ls4?
  5. 06GPGXP33

    gxp trans

    so the past day or two i have been talking to different transmission shops around my city. i found one that gave be a good price of 1500$ to take the trans out them self, put a shift kit in it, reprogram it and put high performance internals in it. then put it back in. all under warranty. i know...
  6. 06GPGXP33

    ls4 supercharger

    has anyone made one for the ls4? or is there just the turbo option.?
  7. 06GPGXP33

    gxp exhaust

    i am thinking about taking my car to the local shop and get my mufflers cut off and run where my mufflers where run stainless straight pipe. i already have the res. deleted. does anyone know how good this would sound. it is the 5.3 v8. thanks let me know.
  8. 06GPGXP33

    turbo question for ls4

    i was looking at vids of the ls4 turbo set up and everything. i was wondering if there are any other set ups besides the cartuning turbo kit for the ls4?? thanks
  9. 06GPGXP33

    dyno tune estimates?

    ok my gxp has a full exhaust and a k&n intake, i just ordered a hogan dp. in two weeks im getting a set of doug thorley headers, looking into a jet chip, any rough hp to the wheels estimates?? and 1/4 mile?? thankss
  10. 06GPGXP33

    what is the best way to make my car sound mean??

    i have magna flow exhaust and a res delete. it just doesnt cut it. any other thoughts or ways to make it sound more raspy and aggressive?? thanks
  11. 06GPGXP33

    gxp exterior (extras)

    (here are a couple pics of my stickers) let me know what you all thinkk...
  12. 06GPGXP33

    gxp shift kit...

    i was thinking about maybe getting a shift kit from transgo for my car. do these kits prolong the trans life and make the trans stronger by any means??
  13. 06GPGXP33

    gxp competition??

    what is (stock for stock) the gxp's competition? or any stock ls4's? thankss guys:p
  14. 06GPGXP33

    my new gp after getting it washed : )

  15. 06GPGXP33

    mods for ls4??

    im trying to figure out some good mods for my 06 gxp!! i want to get into the 12's. and do not know what i need to get there.!! any help would be appreciated!! thanksss :)
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