Arlen Ness Black Big Sucker Stage I Air Cleaner Slot Track Cover 91-17 XL

• 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
• Kits are available with standard red or synthetic black filter elements
• Synthetic filters feature a black synthetic material that is water resistant and never needs to be oiled; just wash and re-use
• All kits include high-performance filter, backing plate and steel outer cover
• All necessary hardware and instructions are included with each kit

1991-2017 Harley Sportster XL (excluding 88-90, breather system is not applicable for these models)

Manufacturer's Warranty