Upper-end noise Roof racks may mean the end to silent drives. It may seem obvious immediately afterwards, but before they have these installed, few drivers ever think of the wind noise that roof-rack crossbars can create. If you absolutely need these handy roof-top carrying racks, make sure both crossbars are mounted as far back as possible when not in use. Better yet, have the installers show you how to remove them completely to store at home. Front-end protection Front end covers or bras are still popular for drivers that want to reduce stone chips on the leading edges of hoods, fenders, and bumper covers. But when installing one, make sure it is compatible with any sensors your vehicle has.