The Audi A3 40 TFSI-e 204hp (8Y - 2020 ->) produces 204bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 480Nm, a gain of 76bhp and 130Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.