The Volvo S40 2.0T 165hp (2000 - 2004) produces 165bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 295Nm, a gain of 25bhp and 55Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.