The Audi Q3 RS 2.5 TFSI Performance 367hp (U8 - 2015 - 2018) produces 367bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 420bhp and 620Nm, a gain of 53bhp and 170Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.