Audi A6 4.2 FSI 335hp ECU Tuning File

The Audi A6 4.2 FSI 335hp (C6 - 2004 - 2008) produces 335bhp and 420Nm in standard form. Our Stage 1 ECU tuning file raises output to 355bhp and 445Nm, a gain of 20bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.