The Porsche 911 Carrera 3.6i 345hp (2004 - 2011 ( 997 )) produces 345bhp and 390Nm in standard form. Our Stage 1 ECU tuning file raises output to 360bhp and 410Nm, a gain of 15bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.