BRAND NEW PART # 18-175 Fits Harley M-Eight Models The Method Series air cleaner is a forged billet air cleaner that increases horsepower and torque while allowing a view to the internal workings of the intake system Radius air inlet provides unobstructed airflow into engine Features the patented Big Sucker hidden breather technology that is o-ringed at the heads and exits at the mouth of the injector/ carburetor to provide efficient engine breathing and a virtually closed loop system thus eliminating the need for any external hoses or hardware Includes backing plate, forged filter housing, clear polycarbonate top, filter, gaskets and necessary hardware