The Ford Mustang GT 5.0 V8 450hp (2015 - 2018) produces 450bhp and 569Nm in standard form. Our Stage 1 ECU tuning file raises output to 468bhp and 589Nm, a gain of 18bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.