The aFe Quantum Pro DRY S Air Filter is a high-performance aftermarket air filter specifically designed for the Quantum Series Cold Air Intake Systems used by passenger cars, light trucks, and SUVs. Featuring an injection molded base and top, the Quantum Pro DRY S air filter is lighter and more rigid than any other air filter available in the market. What sets it apart from the competition is the innovative base design which incorporates a built-in 3-angle velocity stack that enables smooth and even airflow. A 360-degree radial flow air filter, the Quantum Pro DRY S Air Filter is equipped with an oil-free 3-layer fine synthetic media which allows optimum air flow, excellent filtration, and convenience. It is also provided with a set of captive screws to securely fasten to the Quantum Intake system housing. Advanced Flow Engineering, Inc. (aFe) has two decades of experience in designing and producing high flow, high-performance air filters and intake systems for the automotive industry. All aFe products have gone through a rigorous and meticulous design and manufacturing process to ensure that they not only satisfy and even exceed the most stringent industry standards but also to guarantee that they can perform to the highest efficiency even in the toughest driving environments.

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.