ARLEN NESS Big Sucker™ Stage I Air Filter Kit — Fits '91-'22 XL models (CV carb or Delphi EFI) – 88-22 Sportster

Big Sucker™ Stage I Air Filter Kit increases horsepower and torque with a radius air inlet that provides unobstructed airflow. 🚀

One-piece backing plate features hidden breather technology; each breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed-loop system, eliminating the need for external hoses or hardware.

High-performance pre-oiled filter is washable and reusable, built from four layers of performance-grade cotton and handmade in the USA. 🇺🇸

All necessary hardware and instructions are included. 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.