The aFe MagnumFORCE Intakes Stage-2 PDS AIS PDS BMW M5 (E39) 99-03 V8-5.0L is a performance intake system designed to maximize air flow and improve engine performance. This intake system features a Pro 5R air filter with five layers of progressive media to provide maximum filtration and a large surface area for maximum airflow. It also includes a Pro Dry S oil-free filter for maximum convenience. The intake system is constructed from mandrel-bent aluminum tubing and powder-coated black for maximum durability and a sleek, stealthy look. The system also includes a heat shield to protect the filter from engine heat and a Pro 5R air filter for superior filtration. This intake system is engineered to provide maximum power gains and improved engine performance.