before this my car is running 0.8 bar boost, and in gear 3, at 4000 rpm, the car will jerk for about 3-5 second before continue to blast. Then I switch back to stock boost controller, running...
Finally, went to dyno tuned my 7AFTE by using emanage. Found out i was running freaking rich whn offboost. I was being told my injector was too big for my setup as Im using GZE 365cc injector