Chevrolet Full Size Roof racks enable drivers to load up plenty of extra luggage into an outside compartment that sits on the roof of the car. Properly secured, aftermarket Chevrolet Full Size roof racks are safe to drive long distances with and they should stay sealed from the rain and other weather types. Roof racks are most commonly found on SUVs and other large vehicles, but many times they can be adapted for use on compact cars too, so if you really need that extra space, you should be able to find a roof rack you can work with.