The Chevrolet S10 2.2i - 120hp (1997 - 2004) produces 120bhp and 140Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 160Nm, a gain of 20bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.