The Aston Martin Vantage 4.7 V8 426hp (upto 2018) produces 426bhp and 470Nm in standard form. Our Stage 1 ECU tuning file raises output to 450bhp and 500Nm, a gain of 24bhp and 30Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.