The Audi A7 55 TFSI-e 367hp (2018 ->) produces 367bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 550Nm, a gain of 33bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.