The ProMax enclosed filter has a modular design. Supplied with a bell mouth inlet and base adapter the housing can be combined with a selection of Ramair and Proram filters in various neck sizes, making this great for multi-fit applications. The aluminium enclosure shields against hot air keeping the intake temperatures low, while the bell mouth smoothes the airflow and significantly improves the performance. ProMax is great for applications in motorsport, fast road and kit cars, where space is at a premium, but performance is critical. Key Features: Universal mounting points integrated into the housing Lightweight Available in a wide range of inlet sizes Great for multi fitment applications This product has the following dimensions: Filter Internal Neck Diameter: 90mm Overall Length: 280mm Base Width: 176mm Inlet Diameter: 102mm Filter Material: Foam