aFe 21-91133 aFe Quantum Pro DRY S Air Filter Inverted Top - 5.5inx4.25in Flange x 9in Height - Dry PDS

QUANTUM Intake Replacement Air Filter w/ Pro DRY S Media (5-1/2x4-1/4) IN F x (8-1/2x7-1/4) IN B x (5-3/4x4-1/2) IN T x 9 IN H21-91133; QUANTUM Intake Replacement Air Filter w/ Pro DRY S MediaQuantum Pro DRY S air filter by aFe Power is specifically designed for the Quantum Series cold air intake systems and feature an injection molded base and top for lighter weight and rigidity. The newly designed base includes a built-in, 3-angle velocity stack for smooth, even airflow. The Quantum Pro DRY S filter is a 360-degree radial flow air filter with oil-free, 3-layer progressively finer porosity synthetic media for optimum flow, filtration and convenience. Captive screws are included to eliminate lost hardware and to securely fasten to the Quantum Intake system housing.Features and Benefits: Built In 3 Angle Velocity Stack For Smooth Even Airflow; Injection Molded Top and Base For Long Lasting Rigidity; Lighter In Weight; Securely Fastens To Housing w/4 Captive Screws; Unique Filter-To-Housing Integrated Design