After nearly hour-long live streamed debut event on September 14th, which MC&T was able to attend in-person, the S650 Ford Mustang has finally debuted. For the seventh-generation pony car, Ford honed and improved just about everything we saw with the sixth-generation, with a new design, upgraded engines, cutting-edge technology, and a few surprise variants like the first-ever Dark Horse. And as Ford has eluded to growing the Mustang brand, we may have been given a teaser as to what we could expect a few years into the future. And that’s in the shape of a Ford Mustang sedan. Among the dozens of…