Just days ago, the blitz of the 2009 SEMA show in Las Vegas left Ford Mustang fans dizzied with a barrage of special edition pony cars and aftermarket parts and packages to gawk at. Steve Saleen‘s latest company, SMS Supercars, let the details slip on the nationwide sales, distribution, and installation of various SMS Superparts for late-model Mustang owners. The first hot part in the catalog from SMS Superparts is the all-new SMS 296 Supercharger, which was on display at the show, installed on a base 2010 Mustang GT. While we didn’t spy any official numbers on the kit, we can expect something in the high 400hp / low 500hp range, as we’ve already seen some incredible output from the SMS 460 Ford Mustang. Keep reading to get the full scoop on Steve Saleen’s latest pet project.