Fins and spoilers have always made waves in the world of cars. Some for sport, some just to show off. Sci-fi shark fins once dominated the roads in a style that spread across the globe, while aerodynamic spoilers made driving for sport all the more exciting. For the image of exceptionalism or for serious racers—whether or not the vehicle has any business wearing one—fins, spoilers and kammbacks come in an abundance of peculiar and extraordinary designs.