Its For looks, some argue that it improves aerodynamics, it might, but not alotOr cut down front fenders. I've noticed alot of people hack or remove them all together. Is there a reason for this? Seems to me you would get covered in dirt mud and water.
yea they do give u a resten place for ur legs and on them cold days they keep more wind off of ur legs and they give more places for stickers lol