HKS replacement Filter Element in a dry 2-layer, dual density construction. The dry 3-layer type is standard in HKS SPF Reloaded Intake kits, and is designed for superior filtration while still providing excellent airflow.  If your vehicle is in a high dust area, HKS recommends using dry 3-layer elements

Check you Diameter of the Filter Element before ordering - this is 150mm

There is also a 200mm Option available to buy.