this is copied from Wikipedia
Starting in 2008, previous 2007 Shelby GT500
Mustangs could be sent to Carroll Shelby's Special Performance Plant in Las Vegas to be rebuilt into a Super Snake, for an additional cost of $27,995. The Super Snake will offer a 605 hp (451 kW) (at the engine) 5.4 L. A Kenne Bell twin-screw supercharged version with "over 725 hp" will also be available, without warranty and offer a 0–60 mph runs in 3.5 to 3.7 seconds. The Super Snake is inspired by the 1967 GT500 Super Snake, a car made by Carroll Shelby
for Goodyear Tires.
The Super Snake also comes with a variety of other performance, handling and cosmetic changes including badging, gauge pod, 20" Alcoa wheels, fibreglass ram-air Super Snake hood, stripes, carbon fiber front splitter and skirts, larger 6-piston Baer brakes, front and rear brake cooling ducts, complete track setup suspension, aluminum driveshaft, 3.73 differential gears and cat-back exhaust system.