The Porsche Carrera GT 5.7i V10 - 612hp (980 - 2005 - 2007) produces 612bhp and 590Nm in standard form. Our Stage 1 ECU tuning file raises output to 639bhp and 628Nm, a gain of 27bhp and 38Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.