performance chip doesnt exist for these cars lol
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08-03-2010
performance chip doesnt exist for these cars lol
08-03-2010
STS turbo 2k spent have a nice day
08-03-2010
Honestly if you want a little HP gain, your talking intake($350), custom ls6/ls1 intake manifold ($350-500) Cut out or full exhaust ($50-$1000). Down pipe ($150-300), Dyno tune or downloader ($200-500)
Or car tuning turbo kit for $5600 with intercooler, cutout, injectors, tune, water meth, shift kit, everything you need.
08-03-2010
My bad, I thought I had read somewhere that someone was getting ready to put out a chip for the LS4, I didn't follow the thread because I had a handheld and I knew I was going to need a professional tune. However I did find this; 2865 | Superchips FlashPaq Performance Engine ChipOriginally Posted by matt5112
08-04-2010
A roughly $500 setup between the knn intake and flowmaster exhaust(single chamber).
YouTube - 08 Grand Prix GXP with flowmasters
08-07-2010
nice write up 707. as for headers they are hard to find (not made anymore) i think the biggest gains will be with the 1.8 rockers and spring kit. alot of people are doing a custom exhaust it is much cheaper than a kit. posted above airaid has a throttle body spacer. there are things out there but with major gains turbo or a N2O system and turbo is way more than $2k
08-08-2010
Look around before you buy! A guy on another site just sold his rocker and spring set (still in box) for 325.00. I will be selling some of my stuff soon: TBS, ported intake, downpipe from Hogan, Diablo hand held tuner.
08-08-2010
No box tune will be better than a custom tune.
And you linked a handheld tuner with preset tunes.... not a chip.
All you should do with your car is get a built tranny with 3.29's if you are going to be aggressive with it.
08-08-2010
there is a HP tuner as well. i have heard good thing about both HP and the Diablo tuners but its up to you
08-08-2010
sell GXP, buy LSx RWD
08-08-2010
the GXP is different. its a nice sleeper
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