Arlen Ness Stage 1 Big Sucker Natural Air Cleaner Filter Kit Harley Sportster XL

Fits: 1988-up Sportster Models w/ Factory Air Cleaner Covers

One-piece aluminum backing plate features patented hidden breather technology. 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

Includes a chrome backing plate and standard red filter elements

Standard red filters are pre-oiled, washable and feature four layers of surgical grade cotton for optimum filtration and maximum airflow. Stage I kit accepts OEM outer cover (unless noted) or custom Ness outer cover.

All necessary hardware and instructions are included with each kit

NOTE: Exempt per C.A.R.B. ref. E.O. # D-639-5, Exhibit A. (unless noted).