Cross Linked XLPE Roto - molded Housing and front scoop The one - piece sealed housing utilizes the all - new Injen Twist - Lock System to securely attach the SuperNano - Web Dry air filter in place which eliminates the use of unnecessary parts and provides one of the simplest installations available. The box is molded into our fully functional ram air scoop to capture the maximum amount of cool air to feed that hungry turbo. The EVO8100 housing also sports the all - new Injen Clear - View badge for a cleaner more aggressive under hood appearance.