The Audi RS7 4.0 TFSI 605hp Performance (C7 - 2013 - 2019) produces 605bhp and 750Nm in standard form. Our Stage 1 ECU tuning file raises output to 700bhp and 900Nm, a gain of 95bhp and 150Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.