Steve Saleen concept sketch of the 2010 SMS 460 coupe with the new SMS 296 supercharger on a 4.6L V8 engine giving 470hp and 427 ft-lps of torque. The SMS460X will have 655hp and 600ft-lbs of torque on a 5.0L V8. New to 2010 is the SMS Red Butterfly Air Induction Hood, Front and side splitters, rear fascia and diffuser with rear wing, Watt's linkage suspension, SMS brakes, SMS performance striped seats, and leather hand-stitched dash and interior panels.