Subaru Impreza WRX Special Edition at the 2012 SEMA Show Brand Subaru Subaru of America, Inc. revealed 2013 Subaru WRX and WRX STI Special Editions at the 2012 SEMA Show. The new models are in keeping with a long tradition of customized Subaru SEMA show cars - and just in time for Halloween. The Special... By Car Division, 13 November, 2012