The Audi A3 45 TFSI-e 245hp (8Y - 2020 ->) produces 245bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 480Nm, a gain of 35bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.