ARLEN NESS Big Sucker™ Stage I Air Filter Kit — Fits '91–'22 XL models, Brushed Stainless – 88-04, 06-22 Sportster

Big Sucker™ Stage I air filter kit delivers improved airflow and increased horsepower and torque for compatible XL models. 🔧

• One-piece aluminum backing plate with hidden breather technology for a clean installation.
• Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body, creating a virtually closed-loop system that eliminates external hoses or hardware.
• Radius air inlet offers unobstructed airflow for maximum performance.
• Pre-oiled high-performance filter is washable and reusable; made from four layers of surgical-grade cotton.
• All necessary hardware and instructions are included for straightforward installation.
• Performance filter is handmade in the USA and increases both horsepower and torque.
• Will fit '88–'90 models (breather system not applicable for these years) and '91–'22 XL models with CV carb or Delphi EFI.