The SsangYong Rexton 2.2 e-XDI 178hp (upto 2016) produces 178bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 460Nm, a gain of 42bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.