The Mitsubishi Montero 2.5 D-ID 136hp (2015 - 2019) produces 136bhp and 324Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 360Nm, a gain of 39bhp and 36Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.