The Specialty Equipment Market Association (SEMA) heads to Las Vegas on November 4th to exhibit the latest and greatest in the aftermarket. But, in recent years, automakers themselves have been pouring effort into developing some seriously wild concepts in a bid to gain the attention (and admiration) of show-goers.

This year, Honda, Chevrolet, Toyota, Dodge, Ford, Hyundai, and Kia are all bringing their best to Sin City, and some of their cars are truly sinful.