The Volkswagen Golf 2.0i 8v GTI 115hp (Mk3 - 1991 - 1997) produces 115bhp and 168Nm in standard form. Our Stage 1 ECU tuning file raises output to 125bhp and 185Nm, a gain of 10bhp and 17Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.