2014 SEMA - SEMA is short for Specialty Equipment Marketing Association -- is the biggest aftermarket auto event in the world, held in Las Vegas each fall. The show fills multiple convention halls and shows off everything from high-performance OEM specials to custom wheels and graphics from local shops. To get the full rundown on what automakers and suppliers are up to at the industry's biggest trade show at the SEMA Show -- go to www.semashow.com