The Pontiac G6 3.5 V6 211hp (2004 - 2010) produces 211bhp and 293Nm in standard form. Our Stage 1 ECU tuning file raises output to 230bhp and 320Nm, a gain of 19bhp and 27Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.