The SsangYong Rexton 270 XDi 163hp (upto 2016) produces 163bhp and 345Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 420Nm, a gain of 22bhp and 75Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.