aFe Power 10-10125 Magnum FLOW Pro 5R OE Replacement Air Filter Oiled Pro 5R Filter, OE Direct Replacement, 5-Layers Of Progressively Finer Mesh Cotton Gauze Oiled Media Washable & Reusable, Made with 100 percent 55 Shore "A" Polyurethane Frame 15mm Deep Pleats, 17 percent Flow increase Flow (CFM at 1.5" H2O) 289 CFM, Drop-in fitment Manufactured and Assembled in the USA