The Arlen Ness Clear Tear Air Cleaner Series brings the timeless tear drop shape to the next level. Its smooth flowing cage like design is forged and features a domed shaped polycarbonate window that allows you to view the internal workings of your Harley-Davidson XL Sportster engine's intake system while adding performance.
California Air Resource Board: Executive Order D-639-12_R-01
Note: will fit '88-'90 models also; breather system is not applicable for these model years.