The Porsche 911 Turbo S 580hp (2016 - 2018 (991.2)) produces 580bhp and 700Nm in standard form. Our Stage 1 ECU tuning file raises output to 640bhp and 820Nm, a gain of 60bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.