The Audi TT 40 TFSI 197hp (2018 -> ( 8S II )) produces 197bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 245bhp and 430Nm, a gain of 48bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.