Description Description 6" Tapered Cone Race Air Filter designed to fit all Unitronic Carbon Fiber Intake System for the 2.5TFSI EVO engines. Unitronic's Blue Race Filter is intended for drag racing applications, where maximum airflow is most important. Hardware Included 1 x 6 inch Blue Tapered Cone Race Air Filter Related Hardware Unitronic 3 inch Intake System for 2.5TFSI EVO Unitronic 4 inch Intake System for 2.5TFSI EVO