Auto-grille cover is a type of protective covering for the front grille of a car. It is typically made of metal or plastic and is designed to protect the grille from damage caused by debris, rocks, and other objects. The term 'BRA' is an acronym for 'Brush Guard, ' which is another name for auto-grille cover. Brush guards are designed to provide additional protection for the grille and headlights of a vehicle.