The aFe Quantum Pro Guard 7 Air Filter is a highly efficient aftermarket air filter designed for the aFe Quantum Series intake systems. Featuring an innovative injection molded base and top for lighter weight and rigidity, the Quantum Pro Guard 7 Air Filter is equipped with a built-in three-angle velocity stack that allows for smooth and even airflow. Integrating a 360-degree radial flow air filter, the Pro Guard 7 has five layers of progressively finer mesh cotton gauze oiled media and two layers of synthetic media for unbeatable filtration quality. It comes with captive screws designed to securely fasten the air filter to the Quantum Intake system housing.

With two decades of experience in designing and producing high flow, high-performance air filters, and intake systems for the automotive industry, aFe ensures that all their products undergo the same rigorous and meticulous design and manufacturing process. The company's advanced technology and methodologies allow AFE's products to not only exceed the most stringent industry standards but to also guarantee that they perform to the highest efficiency even in the toughest driving conditions.

Advanced Flow Engineering, Inc. (aFe) is a globally-renowned designer and manufacturer of aftermarket performance parts such as air filters and air intake systems. A go-to and often sought brand by the custom builder and race enthusiast, the company was founded in 1999 to fill a void in the automotive aftermarket industry - the need for high-performance air filters. Using innovative designs and state-of-the-art methodologies, aFe succeeded and providing top-of-the-line air filters that can perform to the highest standard even during the most challenging driving conditions.

Over the years, aFe has ventured and produced high-end cold air intake systems, high-performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, and throttle body spacers. As of today, the company's headquarters and manufacturing facilities are located in Corona, California, USA.