Following a lengthy development process and several significant changes to its engine configuration and styling, the 2016 Acura NSX was unveiled in its final production specification at the North American International Auto Show in Detroit. The new two-seat sports car—the original Acura NSX debuted 25 years ago and was produced between model years 1991 and 2005—represents the notable return of the Japanese carmaker to the realm of ultra-high performance vehicles. In its new form, the NSX challenges the likes o…