Arlen Ness 90° Monster Sucker Air Cleaner – No Cover

Arlen Ness 90° Monster Sucker Air Cleaner – No Cover

The Monster Sucker from Arlen Ness combines maximum performance with a minimalist, coverless design. This version is made from black anodized billet aluminum and has the largest filter surface of any 90° air filter on the market, ensuring optimal airflow - from standard engines to high-performance setups.

The filter is made of high-flow black oiled cotton gauze, while the housing is CNC-machined billet aluminum for precision and durability.
The patented hidden internal breathing channels provide effective ventilation and a clean, stylish look.

Features:

Black anodized billet aluminum without cover

Largest filter surface on the market for maximum airflow

High-performance black oiled cotton gauze filter

High quality CNC machined billet aluminum

Hidden internal breathing channels for a clean look

Rain sock available separately – item no. 590445

Replacement filter available as part no. 573499

Suitable for:

1991–2022 XL Sportster (except XR1200)