The Hyundai i20 1.0 T-GDi 120hp (2018 - 2019) produces 120bhp and 172Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 230Nm, a gain of 20bhp and 58Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.