Muscle car brutality with sports car precision, an exhaust equal parts supercar shriek and Shelby staccato. The GT350 is an event. The Mustang Mach 1 that has to follow it is, in many ways ...

and a revised valving system in the performance exhaust. That’s the 11bhp taken care of, but it’s the handful of other detailed changes that help mark the Mach 1 out, including the GT350’s ...