Arlen Ness Method Clear Sucker Air Cleaner Kit For Harley Twin Cam Arlen Ness presents the Method Series air cleaner which is a forged billet air cleaner that increases horsepower and torque while allowing you to peek into the internal workings of your air system. This system features the patented Big Sucker hidden breather technology which eliminates the need for any external hoses or hardware. Each filter is constructed from black pre-oiled cotton for superior flow and filtration. The new and improved filters that were built specifically for the Method series eliminates the need for a top filter plate which allows you to view the internals of the system. Equipping this system is one way to stand out from the crowd is the clear center of your air intake kit that will catch many folks off guard and be the talk of crowd. Available in chrome, black, blue, red, gold, orange, and titianum finshes. Features: Forged billet aluminum air cleaner featuring a polycarbonate window allowing you to view the internal working of your air intake system Forged billet aluminum backing plate with our patented internal hidden breather backing plate technology resulting in no need for external hoses or hardware for a virtually closed loop system Radius air inlet provides unobstructed airflow into engine High performance filter is constructed from black pre-oiled cotton for optimum flow and filtration. Filter is washable & re-usable, recharge kits available separately Each kit includes backing plate, forged filter housing, clear polycarbonate top, filter, gaskets and necessary hardware Note: Gasket between filter and backing plate shown in printed instructions is no longer required or supplied