ROUGH CRAFTS Round Air Cleaner Chrome Twin Cam RC-600-014

Each hidden breather is O-ringed at the heads, passes through the backing plate and exits at the mouth of the throttle body through proprietary shooter tubes eliminating the need for any external hoses or hardware, Just wash and re-use for long lasting performance, does not need oil, Features Arlen Ness Big Sucker breathing technology, Radius air inlet provides unobstructed airflow, Eliminates oil blow-by issues with M8 intakes