ARLEN NESS Big Sucker™ Stage I Air Filter Kit — black, round – 88-04, 06-22 Sportster

The Big Sucker™ Stage I Air Filter Kit improves airflow and engine breathing for stronger throttle response and smoother operation.

• Each hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware.
• Radius air inlet provides maximum performance by providing unobstructed airflow.
• One-piece backing plate features hidden breather technology for a clean, integrated installation.
• All necessary hardware and instructions are included for straightforward fitment.

Fitment notes: Will fit '88–'90 models; breather system is not applicable for these model years. For '91–'22 XL models with CV carb or Delphi EFI.

Designed for riders who want a simple bolt-on upgrade that improves breathing and performance. ✅🏍️