Arlen Ness Big Sucker™ Air Cleaner Stage I Kit | '08-'16 Twin Cam


  • '08 - '16 Twin Cam for use w/ factory cover


  • Engineered and proven to give your engine maximum airflow for more horsepower & torque

  • One-piece aluminum backing plate features our patented hidden breather technology, each breather is o-ringed at the heads and exits at the mouth of the throttle body eliminating the need for any external hoses or hardware for efficient engine breathing

  • Each backing plate contains a smooth radius air inlet to direct unobstructed airflow into the engine

  • Stage 1 kits accept most factory covers and/or Ness air cleaner covers for an exposed look

  • Performance air filters are available in standard red pre-oiled cotton & synthetic filter elements

  • Standard performance filters are constructed from red pre-oiled cotton and are washable/re-useable, filter re-charge kits available separately

  • Synthetic performance filters are constructed from black synthetic filter element that is wrapped in a stainless steel jacket. Synthetic filters are washable/re-usable, do not require oil and are water resistant which in most cases eliminates the need for a rain sock

  • Backing plates available in plain, black or chrome finish for '14-'16 Twim Cam and plain and chrome for '08-'13 Twin Cam. 

  • Each Stage I kit includes one-piece aluminum backing plate, performance filter, gaskets, and necessary hardware

Performance Results
Synthetic Filter Service

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