i have a obs2 diagnostic tool, but i don´t work on my car??? is it only obd1???
what i´m meen it´s not overboosting only stock 0,9 bar
i the future i´m look at this exhaust:
http://www.ebay.co.uk/itm/SC31a-Cobra-Subaru-Impreza-WRX-STI-93-00-Track-Turbo-Back-Exhaust-Sports-Cat-/282285580767?hash=item41b98821df:g:HcMAAOSwlV9WRH8k