This item fits the following models:

• 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
• Filter does not need oil, just wash and reuse for long-lasting performance
• Backing plate is CNC-machined from forged aluminum
• Features Arlen Ness Big Sucker breathing technology
• Radius air inlet provides unobstructed airflow
• Synthetic air filter is handmade in the U.S.A.