The Audi A7 2.0 TFSI 252hp (4G - 2014 - 2017) produces 252bhp and 370Nm in standard form. Our Stage 1 ECU tuning file raises output to 320bhp and 450Nm, a gain of 68bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.