The Hyundai Elantra 1.6 T-GDI 204hp (2018 - 2020) produces 204bhp and 264Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 325Nm, a gain of 16bhp and 61Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.