The Ford Mustang 4.0 V6 205hp (upto 2014) produces 205bhp and 319Nm in standard form. Our Stage 1 ECU tuning file raises output to 225bhp and 340Nm, a gain of 20bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.