5000 Advanced Semi-Metallic Rear Disc Brake Pads (1551-0144-00) by Dynamic Friction Company®. DFC 5000 Advanced Formulation is made for vehicles that demand the absolute highest quality and performance from their individual components, driven by the move towards autonomous mobility. Today, vehicles are increasingly more sophisticated. With this change, the individual components in all the systems need to interact with one another, each depending on very specific parameters designed into each part.