The Ford Focus 2.0i 16v ST 170hp (1998 - 2005) produces 170bhp and 196Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 225Nm, a gain of 15bhp and 29Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.