a hood scoop, an integrated dual-outlet exhaust, and probably most interestingly (aside from the pickup bed), double-slat taillights instead of the classic Mustang triple. Inside, though ...

In a stock '66 Mustang, longitudinal leaf springs locate ... Overall, the body resembles a '66 coupe with mild Shelby upgrades--hood with scoop, front valance, body side scoops on the rear ...