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Arlen Ness Big Sucker Stage 1 Air Cleaner raw

Art no.: 89-6514

For well over a decade the Big Sucker™ has been the best selling and most efficient air cleaner on the market period.

  • The Big Sucker™ is engineered to give your engine maximum airflow, which means more horsepower, more torque, and overall improved performance.
  • Dyno testing has shown the up to a 21 percent gain in horsepower from simply adding a Big Sucker™ kit to your V-twin engine.
  • Mapping required. OEM cover is still used.
  • Arlen Ness OEM # 18-457
Fits Harley-Davidson Touring '17-later with OEM Cover (Milwaukee-Eight)
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