GT400SC
PM for Decals
GT400 In your case what i would do is send it back to whipple have them set it back to stock. Then take the car with your tuner to one of local tuners and have them tune your car on the dyno. That way at least you can add to your tune and mod the tune.
Hmmm.........Only TWO major problems with that.
1) It won't run on the stock tune and
2) It costs $150 to change it back to stock.