Quote Originally Posted by SgtMarshal View Post
my inlaws all think im crazy for putting so much money into modding my GTP, but I dont care. if I was going to start over getting into the grand prix world, I would get the newest model GXP with the lowest mileage I could find. I would then build the transmission to the max and then turbo it. car tuning makes a turbo kit that will put 500 hp to the wheels for a GXP
Are you aware that the newest GP is a 2008, which cannot be tuned due to the fact that the PCM is locked down?