The BulletProof Mudflap Heat Shield is designed to protect your mudflap from the extreme heat from your vehicle's exhaust. For vehicles who have rear facing exhaust, this prevents overheating of your mudflaps. Made from high grade stainless steel. The Heat Shield includes all necessary hardware to mount to your BulletProof Hitches Road Shield Mudflap System. Note: The BulletProof Road Shield Mud Flap System must be installed and adjusted properly before the heat shield is installed. For maximum protection, the center of the heat shield must line up with the center of the vehicle exhaust.