Our Stage I Big Sucker^™ air cleaner kit equipped with our Beveled custom outer cover for an exposed intake setup with billet styling. The Beveled cover is CNC machined from billet aluminium and matches our popular Beveled line of accessories. Choose your correct application:

Big Sucker^™ Stage I Air Cleaner, Twin Cam/Sportster/Evo :

• Engineered and proven to give your engine maximum airflow for more horsepower & torque
• One-piece aluminium backing plate features our patented hidden breather technology, each filter 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
• Performance air filters are available in red pre-oiled cotton & synthetic filter elements
• Standard performance filters are constructed from red pre-oiled cotton and are washable/re-useable
• Synthetic performance filters are constructed from black synthetic filter element that is wrapped in a stainless steel jacket. Washable/re-usable, do not require oil and are water resistant which in most cases eliminates the need for a rain sock
• The backing plate is finished in black powder coat
• Each Stage I kit includes one-piece aluminium backing plate, performance filter, gaskets, necessary hardware, and Beveled Stage I Cover

Big Sucker^™ Stage I Air Cleaner, M8 :

• The brand new Big Sucker^™ Stage I air cleaner for Milwaukee-Eight^™engines adds new & improved features to our original industry leading intake
• In addition to our patented hidden breather backing plate technology, we have added an outer lip which wraps around the filter base resulting in a clean look while better securing and protecting the filter
• Smooth radius air inlet for unobstructed air flow
• The new aluminium filter top plate has integrated filter mounting studs for increased durability while eliminating the need for additional filter mounting hardware and a steel filter plate
• High-performance filters are made from black pre-oiled cotton for the best in airflow and filtration.
• The filter is washable and reusable
• The backing plate is finished in gloss black powder coat
• Each M8 Big Sucker^™Stage I kit includes one-piece backing plate, performance filter, filter top, gaskets, necessary hardware, and Beveled I Cover

  Fitment:

  • 2008-2013 FLT 58mm Throttle Body
  • 2008-2014 FLT
  • 2014-up FLT OEM Cover
  • 1999-up Twin-Cam
  • 2008-up FXD OEM Cover
  • 1993-1999 Evolution
  • 1999-2001 Fuel Injected FLT
  • 1988-up XL
  • 1988-up XL OEM Cover