The Audi A6 3.0 TFSI 300hp (C7 - 2011 - 2018) produces 300bhp and 440Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 520Nm, a gain of 100bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.