The Audi A3 2.0 TDI DPF 163hp (8P - 2003 - 2008) produces 163bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 37bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.