Description
The ARLEN NESS Smooth Sucker 1 eliminates unsightly external breather hoses while improving engine breathing efficiency—a clean aesthetic that doesn’t compromise performance. The o-ringed hidden breather design exits directly at the carb or injector mouth, reducing parasitic losses and simplifying your engine bay layout. Choose between pre-oiled red cotton filters or low-maintenance synthetic black filters, both engineered for maximum airflow without sacrificing filtration integrity.
- Fitment: ’99-’17 Twin Cam
- Hidden breather technology
- O-ringed at heads
- One-piece aluminum backing plate
- Red filter: Four-layer cotton
- Red filter: Pre-oiled, washable
- Black filter: Synthetic material
- Black filter: Water resistant
- Black filter: No oiling required
- Radius air inlet design
- Maximum unrestricted airflow
- Includes steel outer cover
- Bolt-on installation
- Hardware and instructions included






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