Shelby Automobiles, Inc., a wholly owned subsidiary of Carroll Shelby International Inc., (CSBI.PK) unveiled two post-title packages for 2005-2009 Ford Mustang GTs during the 35th Mid America Ford and Team Shelby Nationals in Tulsa, Okla. The 500 HP “Shelby Supercharged” and 550 HP “SR” packages include serious performance upgrades and exterior styling cues. Both 50-state [...]