Perrin Replacement 2.75inch ID Filter Subaru WRX / STI 2008-2017 PERRIN Performance filters feature a unique two piece design allowing the user to remove the foam filter element for easy cleaning. Easily run the element under a faucet for cleaning and ring out by hand. Simply slip the foam sleeve back over the filter frame and your ready to go.
Please check the Inlet Inside Diameter (I.D.) of the filter are replacing as there are variations of intake design. This filter has a 3.125″ I.D. Inlet>