The Infiniti G25 2.5 V6 218hp (2011 - 2012) produces 218bhp and 254Nm in standard form. Our Stage 1 ECU tuning file raises output to 240bhp and 273Nm, a gain of 22bhp and 19Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.