While they may seem a little excessive, vent visors can actually do a lot for your vehicle. When your window is rolled down while driving, the wind can sweep in, become a major inconvenience and discomfort. These visors will help reduce wind buffeting and funnel the air current away from the vehicle, so you can drive with your window down in comfort. They also serve to help prevent theft, allowing you to leave your window cracked on a hot day without it being visible to potential thieves. Finally, Vent Visors are also shaded to help diminish bright sunlight coming through the side windows, just like the tinting at the top of a windshield does. We have visors for nearly every vehicle model, so don't let driving become uncomfortable, enjoy your ride.