The Volkswagen Golf R32 250hp (Mk5 - 2003 - 2008) produces 250bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 345Nm, a gain of 20bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.