The Porsche 911 3.8 Bi-Turbo 580hp (2019 -> (992)) produces 580bhp and 740Nm in standard form. Our Stage 1 ECU tuning file raises output to 740bhp and 890Nm, a gain of 160bhp and 150Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.