aFe MagnumFLOW Pro DRY S Universal Air Filter - 3x4.75" IN F, 4x5.75" IN B, 2.5x4.25" IN T x 6" H - High Performance Replacement Air Filter for Trucks, SUVs & Off-Road Vehicles - Improves Engine Airflow & Protection

These filters feature five layers of pre-oiled cotton gauze media to provide maximum performance. Their progressive layering allows the filters to flow at high levels even when dirty. This media is perfect for street and/or track use. Pro 5R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil. aFe POWER performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing increased flow and greater dust holding capacity. These aFe POWER performance air filters are constructed with a polyurethane base and top. Unlike other materials that degrade after repeated heat cycles in an engine bay, polyurethane maintains its original molded shape.