The Audi A5 S5 3.0 TFSI 333hp (MK1 - 2007 - 2011) produces 333bhp and 440Nm in standard form. Our Stage 1 ECU tuning file raises output to 435bhp and 520Nm, a gain of 102bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.