The Aston Martin DB11 4.0 V8 535hp (2016 ->) produces 535bhp and 650Nm in standard form. Our Stage 1 ECU tuning file raises output to 570bhp and 820Nm, a gain of 35bhp and 170Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.