Unique Integrated Filter-to-Housing Design:
Quantum uses an integrated filter-to-housing design that attaches both components with four captive screws, making for a positive surface area seal and easy installation. Its durable sealed housing features a unique, five rib, industrial-grade look for aFe quality recognition.

Quantum Pro 5R Performance Air Filter:
The Pro 5R performance air filter features five layers of progressively finer porosity cotton gauze media, providing maximum performance. Quantum air filters are specifically designed for Quantum Series intake systems with an injection molded base and top for lighter weight and rigidity. The filter base also features a 3-angle velocity stack for smooth, even air flow.