The Audi TT RS 2.5 TFSI RS Plus 360hp (All) produces 360bhp and 465Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 600Nm, a gain of 40bhp and 135Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.