Im looking to supercharge my pontiac grand prix Gt is there anyone out there that can tell me the parts i need and the modifications i need?
99 Grand prix Gt, How do i supercharge?
Aug 14, 2004
2 Replies
its cheaper to get a GTP. if u put a chrger on it, u will have to change the tranny, and the PCM i think
ok i think there is also more than that i would have to change as well.
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