(http://25.media.tumblr.com/87037457db1387120fbe614746f23b6c/tumblr_mvigwuubTL1qhkpgpo1_500.jpg)Chrysler will show 20 performance- and appearance-modified vehicles at the 2013 #SEMA Show in #LasVegas next week. Although the company is keeping its high-powered SEMA #concepts under wraps until closer to the show's start, it previewed several models today, including an even a tougher-looking version of its all-new 2014 @Jeep Cherokee #Trailhawk.