The Chevrolet Malibu 3.1 V6 170hp (1997 - 2005) produces 170bhp and 258Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 280Nm, a gain of 20bhp and 22Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.