The TurboXS Subaru Dry Element Drop In Air Filter was designed to fit your vehicle like the OEM Air Filter. While fitting like stock the added advantage of our Dry Filter Element gives you additional flow characteristics and a longer service interval. Material We use EPDM Rubber for the base of the filter. It can withstand temperatures from -30c to 150c. Our steel mesh is coated for durability and the Element has deep pleats to increase the filtration surface area without limiting air flow. Fitment: Forester - 2009 - 2010 Legacy/Outback 2005-2017 WRX - 2008 - 2021 STI - 2008 - 2021 OEM Part Interchange: 16546AA090 16546AA10A