aFe Quantum Pro-5 R Air Filter | N/A (23-91133)

The aFe Quantum Pro-5 R Air Filter Inverted Top is a high-performance, oiled air filter designed for use with Quantum Series cold air intake systems. Constructed with an injection-molded base and top for enhanced lightness and rigidity, it features a built-in 3-angle velocity stack to promote smooth and consistent airflow. The filter utilizes a 360-degree radial flow design and a five-layer progressive cotton composite media, delivering maximum airflow, filtration efficiency, and engine protection. Captive screws are included to ensure secure attachment and prevent hardware loss, making it a durable and reliable upgrade for performance applications.

This air filter is compatible with various vehicles equipped with Quantum Series cold air intake systems, typically fitting standard 5.5-inch by 4.25-inch flange openings and standing approximately 9 inches tall. It is intended for use in street, performance, and daily driving scenarios where maximum airflow and filtration are desired. Installation involves a direct bolt-on process, replacing the stock filter in the Quantum Intake system. The kit includes the filter and captive screws, providing a straightforward upgrade to improve engine performance and airflow efficiency.