Jaguar unveiled the ultra-rare 2014 XKR-S GT at the 2013 New York Auto Show, presenting one of the most extreme road-legal sports cars ever built by the British brand. Limited to just 30 units for the United States market, the XKR-S GT added a comprehensive aerodynamic package over the already-potent XKR-S, including a massive adjustable carbon fiber rear wing, carbon fiber front splitter, wider front and rear fenders, and a carbon fiber rear diffuser generating significant downforce. Power came