"Under the Pentastar" is a weekly recap of some of the stories at Chrysler Group. This week's edition includes Chrysler Group's international sales figures for February, Chrysler Group sponsors the AutoRama High School Design Competition, Sergio Marchionne auctions off his customised 2011 Dodge Challenger SRT-8 392, and the SRT Viper GTS-R kicks off the American Le Mans Series with a documentary on Speed TV.