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hello hpa, why is it that my subaru gear number one has power but when i shift to number it looses power coz i thought if i get boost control course i will solve the problem but it seems it has failed so i think i need your help,thanks
I'm going to need a little more information to be able to help you. What ECU are you using for your tuning and how is the boost control setup? Do you have any logged data of the boost vs gear?