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

Upgrade airflow and engine response with this Stage I air filter kit crafted for maximum performance. 🚀

• One-piece aluminum backing plate with hidden breather technology for a clean, integrated installation.
• Each hidden breather is O-ringed at the heads and vents inside the throttle body mouth for a virtually closed-loop system—no external hoses or extra hardware required.
• Radius air inlet provides unobstructed airflow to improve throttle response and overall breathing.
• Pre-oiled, four-layer performance filter is washable, reusable, and hand-finished for consistent filtration.
• All necessary hardware and clear instructions are included for straightforward installation.
• Designed to increase horsepower and torque for noticeable on-road gains.
• Handmade in the USA for quality and fitment.

Whether you ride daily or chase peak performance, this Stage I kit balances reliable filtration with improved airflow for stronger acceleration and cleaner installation. 🛠️