The Pontiac G5 2.2i 148hp (2006 - 2010) produces 148bhp and 206Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 230Nm, a gain of 17bhp and 24Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.