i love my grand prix but i know alot about various cars not just ours and i know which ones can hold there own....good luck when he dials up the boost n doesnt just have exhaust n a chip
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(99 GT),K&N 9" intake,ZZP HV TB(68mm), ZZP PCM,ZZP front powerlog, HV3 intake manifold spacer, 3" DP to SLP exhaust,Comp Cam 801 and springs, MSD ignition,Voltage Booster,black housing headlights with HID kit and halos