12. Subaru WRX’s Hood Scoop

When Subaru hurriedly adapted the WRX for turbocharging, they added a large hood scoop to feed the intercooler. What could have been a simple functional fix turned into an instantly recognizable feature, giving the WRX an aggressive, rally-ready look. The hood scoop became an icon in motorsport circles and inspired countless imitators in the world of performance cars. More at Road & Track.