The Volkswagen Golf 2.0 FSI 150hp (Mk5 - 2003 - 2008) produces 150bhp and 200Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 215Nm, a gain of 15bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.