The Isuzu D-Max 1.9D 164hp (2020 ->) produces 164bhp and 360Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 440Nm, a gain of 36bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.