The Audi A5 1.4 TFSi 150hp (MK3 - 2016 - 2018) produces 150bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 175bhp and 320Nm, a gain of 25bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.