ARLEN NESS Big Sucker™ Air Filter Kit — Stage I, Black – 88-22 Sportster

Improve engine breathing with hidden-breather technology that seals at the heads and vents directly at the injector/carb mouth. 🔧💨

The radius inlet provides maximum performance by allowing unobstructed airflow into the system. Designed as a one-piece backing plate with integrated breather paths, it eliminates the need for external hoses or additional hardware.

• Hidden breathers o-ringed at the heads and routed to the injector/carb mouth for efficient venting
• Radius air inlet for optimized, unobstructed airflow
• One-piece backing plate with built-in breather paths—no extra plumbing required
• All necessary hardware and clear instructions included for straightforward installation

Compatible with OEM covers and engineered for reliable operation under everyday conditions. Maintenance is simple and provided instructions walk you through fitment and care. 🔩🛠️