Zipper's HighFlow Air Filter Kit for Rushmore Touring Models, Black Fits 2014 'Rushmore' Touring Big Twin Models, Available in a Black Finish 2-1/4" Deep, Increases Flow Without Increasing the Overall Width of the Air Cleaner for those with Leg Room Concerns Increases Performance While Keeping a Stealthy, Stock Look Features a CNC-Machined Billet Backing Plate that Fully Supports the Rushmore Cover and is Equipped with Additional Air Ports with a Fully Radiused Entry for Smooth Airflow Gains Equipped with a Washable Oiled Gauze Element - This Unit Outflows the Factory System by 47% and can be Installed in Less than 10 Minutes