Chevrolet Cobalt

2009 Chevy Cobalt SS Turbo – Click above for high-res image gallery The first-gen Cobalt SS failed to deliver with a supercharged 2.0L Ecotec four-cylinder producing 205 horsepower and a cast of supporting components that did little to hide the Cobalt's rental car roots. But then something entirely unexpected happened. The GM Performance Division completely reworked the Cobalt SS for 2008, swapping in a more powerful turbocharged engine, upgrading the rest of the mechanicals, and tweaking the entire package on the world's most demanding race tracks, including the famed…