The Hyundai Elantra 2.0i 163hp (2016 - 2018) produces 163bhp and 203Nm in standard form. Our Stage 1 ECU tuning file raises output to 179bhp and 225Nm, a gain of 16bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.