Perrin 2-Piece Replacement Filter for Perrin Intakes 3.125 inch ID

*PERRIN 2-PIECE FOAM FILTER* This is a direct replacement for most Subaru PERRIN Performance intakes systems including the Big MAF intakes. It will also work on any intake system which accepts a 3.125" filter. *Two Piece Design* 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 you're ready to go. Please check the Inlet Inside Diameter (I.D.) of the filter you are replacing as there are variations of intake design. This filter has a 3.125" I.D. Inlet.