The S650 Ford Mustang is proving itself ... more drama whenever possible, and AWE Tuning is obliging with new exhaust options for both the regular GT and the track-focused Dark Horse.

Marketed as the Fairlady Z in Japan, the fastback-styled coupe will soon receive a nicer exhaust from Pennsylvania-based exhaust specialist AWE Tuning ... 45,540), Ford Mustang GT ($42,495 ...