Still, the 427R's Roush-ness makes the new 2010 Mustang look even more ominous, what with its requisite spoilers, scoops, louvers, and optional twenty-inch wheels. I could definitely do without ...

World’s Greatest Mustang GT To be fair, the rest of Roush’s upgrades have a positive effect on the already improved-for-2010 Mustang GT, too, and they all work to improve the car’s ...