aFe Quantum Pro Guard7 Air Filter | Inverted Top 5.5x4.25 Flange x 9H (72-91133)

The aFe Quantum Pro Guard 7 Air Filter Inverted Top is a high-performance, 360-degree radial flow air filter designed for use with aFe Power's Quantum Series cold air intake systems. Constructed with an injection-molded base and top, this filter offers reduced weight and increased rigidity for enhanced durability. It features a built-in, 3-angle velocity stack within the base to promote smooth, even airflow, optimizing engine breathing. The filter utilizes five layers of progressively finer mesh cotton gauze oiled media combined with two layers of synthetic media, providing maximum filtration protection while maintaining high airflow. Captive screws are included to prevent hardware loss and ensure a secure fit to the Quantum Intake system housing, making it a reliable upgrade for performance enthusiasts.

This filter is specifically designed to fit the Quantum Series cold air intake systems, with dimensions of 5.5 inches in diameter, 4.25 inches flange width, and 9 inches in height. It is compatible with various vehicles equipped with this intake setup, serving as a direct replacement or upgrade to improve airflow and filtration efficiency. Ideal for street and performance driving, the filter enhances engine response and power output while maintaining maximum protection against dirt and debris. Installation involves securing the filter to the intake system using the included captive screws, ensuring a tight, secure fit for optimal performance.