Arlen Ness 18-807"Billet Sucker" Air Cleaner Assembly Available in stage I and stage II Both feature an oversized exposed filter design for tremendous airflow One-piece aluminum backing plate with patented hidden Breather technology and radius air inlet for maximum airflow Breather passages exit at the mouth of the carb/throttle body, creating a virtually closed-loop system Eliminates the need for any external banjo Fittings, Hoses, and Breather filters for an Ultra clean look