100% new. Made by high quality light weight Black ABS plastic. Provides better fuel efficiency. Improves throttle and torque response. Professional installation is highly recommended. (Hose clamp is not included.) Inlet Diameter: .88.9mm/3.5 inch Type: Mushroom Air Intake Cap Color:Black Material:ABS Package Contents: 1 * Mushroom Air Intake Cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.