The Porsche, the German sports car manufacturer, recently showcased the Cayman GT4 sports car. The GT 4 racing series cars have grown in popularity over the years. This racing series is an affordable option for all the novice racing enthusiasts when compared to the GT3 class. There are a few auto manufacturers who have already brought out GT4 specification racing cars into the market. Now, Porsche is joining this group of automakers with its Cayman GT4 club sport car. Porsche will be bringing this brand new Cayman GT 4 club sport to the 2015 Los Angeles auto show that will…