Arlen Ness Stage I Big Sucker Air Filter Kits for 1988-up Harley Sportsters - Smooth Black - 18-329 feed-mpn-MEG-1175 This kit fits all 2010

This kit fits all 2010 and 2011 machines

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Arlen Ness Stage I Big Sucker Air Filter Kits for 1988-up Harley Sportsters - Smooth Black - 18-329 feed-mpn-MEG-1175 This kit fits all 2010Arlen Ness Stage I Big Sucker Air Filter Kit Engineered and proven to give your engine maximum airflow for more horsepower & torque The Big Sucker kits are designed to be used with the stock outer air filter cover or an Arlen Ness custom outer cover One piece aluminum backing plate features patented hidden breather technology Each hidden breather is O ringed at the heads and exits at the mouth of the injector carb to provide efficient engine