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
 
 
Backing plates are available in natural, black powder coat, or chrome finish
 
 
Filters are available with standard red or synthetic black filter elements
 
 
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
 
 
Stage I kit accepts OEM outer cover (unless noted) or custom Ness outer cover
 
 
Stage II kit features a 20% larger filter element and accepts an 8" round Ness outer cover only
 
 
All necessary hardware and instructions are included with each kit

BIG SUCKER™ AIR FILTER KITS
NOTE: 01-18 EFI models exempt per CARB ref. E.O. # D-639-5, Exhibit A.