Big Sucker Stage I Air Filter (Manufacturer's ref: 18-440) by ARLEN NESS: a sleek air cleaner designed for the road and touring. Made from a single-piece aluminium, this round filter features a natural/silver finish that complements custom bikes and large twins. Its Stage I design fits the OEM cover, ensuring a neat integration without altering the bike's silhouette.
- Concealed breathers with O-rings at the cylinder heads: direct and clean engine ventilation without external hoses.
- Radius air inlet: optimised design for the most direct airflow possible to the injector/carburettor.
- Pre-oiled: ready to use upon installation.
- Single-piece aluminium support plate: durability and refined finish.
- All mounting hardware and instructions included.
- Compatibility: designed to accept the OEM filter cover.
Ideal for riders who want to combine a factory look with engine breathing efficiency without any modifications. The Big Sucker Stage I is particularly suited for touring and custom Harley-Davidson bikes (e.g. Breakout and Softail Slim) and maintains a clean and discreet installation while facilitating airflow to the intake.
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