first of all when you dyno your car make sure that there is a fan blowing air in the intercooler, we use a big 3ft high fan and a small high flow fan that is put right in front of intercooler, my #s with a turbonetics 60 ball bearing turbo and 43lb injecters, volt booster, stock heads,cam,t/b, plenum,PTE front mount ,open exhaust, race fuel,race chip, was 373 hp 473ft #s torque,made all power and torque at 4100 rpm,