The Audi A6 2.0 TFSI 170hp (C6 - 2008 - 2010) produces 170bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 380Nm, a gain of 80bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.