Quote Originally Posted by stealthee View Post
Oh, hey look. Here are some bumps on the roof of the car that do nothing.
They don't do anything for our cars in the matter of performance, but NASCAR didn't use them for looks.

ROOF RAILS: Airflow over a smooth surface can create lift. These strips are designed to break up streamlined airflow across that lift.
Granted that is pretty much useless at the speeds we drive ours... I think they add aggression to cars, I love mine and don't regret a cent on 'em :P

But like mentioned, different strokes for different folks