Firmware for Honda Stepwgn,
engine: 2.0 petrol R20A,
control unit: Panasonic-Matsushita SH72543 2048Kb,
software version: 37805-R0A-N610,
the firmware disabled the catalyst (Euro 2), EGR valve and made chip tuning with increased power and torque. Remove the connector from the lower oxygen sensor after the catalyst. The speed limit is 255 km/h.