The Volkswagen Golf GTI 2.0 TFSI GTI 245hp (Mk8 - 2019 ->) produces 245bhp and 370Nm in standard form. Our Stage 1 ECU tuning file raises output to 327bhp and 470Nm, a gain of 82bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.