Firmware for the Subaru Impreza car,
engine: 1.5, petrol,
Control unit: Hitachi,
Software version: D53Q7EA5 6647307107,
in the firmware, the catalyst control (Euro 2), the EGR valve, the SAP catalyst purge are disabled and chip tuning is made with an increase in power and torque by 10%. You can remove the connector from the bottom oxygen sensor. App drain.