The box is a universal filter system for almost every vehicle. The original air filter box is completely to removed and replaced by the air box. The connection is made directly to the airflow or its supply hose. In addition, a special venturi insert is included, which swirls the intake air already in the intake hose for a better flow behaviour. The connection diameter is 75mm (outside) at the box and 60mm inside diameter. With the enclosed silicone connector can be adapted with the help of other silicone adapters