The Arlen Ness Clear Tear Sucker Air Cleaner Kits bring the timeless teardrop shape to a new level. Features a smooth-flowing cage that is CNC-machined from forged billet aluminum and a domed-shaped polycarbonate window that allows you to view the internal workings of the intake system. Polycarbonate window can be installed in the front or back facing direction for your preferred look. Patented hidden breather backing plate technology. Breather design is o-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes.. Integrated patented oil-catch to ensure no oil reaches the air filter and restricts air flow. Includes a washable black pre-oiled cotton performance air filter. Available in multiple finishes. Chrome