Arlen Ness Air Filter Kit Big Sucker Stage 1 Natural

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
Standard red filters are pre-oiled, washable and feature four-layers of surgical grade cotton for optimum filtration and maximum airflow
Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash and re-use
Radius air inlet provides maximum performance by providing unobstructed airflow
One-piece aluminum backing plate features patented hidden breather technology
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 CARB Executive Order (E.O.) #D-639-7, Exhibit A for 01-19 EFI models only