The Oldsmobile Bravada 4.2i 270hp (2002 - 2004) produces 270bhp and 373Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 400Nm, 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.