Saleen S7 Twin TurboThe Saleen S7 Twin Turbo is an updated revision of the original S7. Although the initial concept for the S7 incorporated twin-turbochargers, they were not used on the production car. The twin-turbocharged version later developed in 2005 went on sale for $585,296 USD (approx. GB£295,559, c.2007/€435,203, c.2007), replacing standard S7 production.