The SsangYong Rexton 2.0 XDi 155hp (upto 2016) produces 155bhp and 360Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 45bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.