PPF-9859 - Porsche Replacement Pleated Air FilterThis is a replacement panel filter for Porsche. For a full list of fitments see compatibility chart. Features High flow, synthetic nanofiber filtration media Fits in the OEM Airbox and replaces inefficient paper filter Lifetime washable filter Precision injection moulded for a perfect fit Guaranteed surface area using high quality custom blended polymer What Does It Do? This PRORAM performance filter has been designed to replace your standard OEM air