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Would someone take a estimate on my rear wheel horsepower? I have a 99 Cobra Convertible, and I've added the following. BBK Off Road X Pipe, Borla Cat-Back exaust, BBK Cold Air Induction, Steeda Underdrive Pullies, Steeda Short Throw Shifter, Accufab 70 mm Throttle Body. Diablo Sport Tuner. Thanks a lot.