The Audi A6 2.8 FSI 210hp (C6 - 2004 - 2008) produces 210bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 225bhp and 300Nm, a gain of 15bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.