The Oldsmobile Alero 2.2i 140hp (1998 - 2004) produces 140bhp and 203Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 230Nm, a gain of 20bhp and 27Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.