Revised bodywork includes a carbon-fiber front splitter, extended side sills, a carbon-fiber rear diffuser, and a fixed rear wing with a carbon-fiber inlay. The supercharged and intercooled 5.0-liter AJ Gen III V8 produces 550 horsepower and 502 lb-ft of torque, with power sent to the rear wheels through a six-speed automatic transmission and an active limited-slip differential.