aFe 31-10166 Magnum FLOW Pro Dry S OE Replacement Air Filter for Nissan GT-R V6-3.8L Engine Oil-Free Pro Dry S Filter For Maximum Convenience, OE Direct Replacement For Easy Installation, 3-Layers Of Progressively Finer Porosity Synthetic 'Oil-Free' Media For High Filtration Efficiency Washable and Reusable Air Filter For Multiple Cleaning Cycles, Made with 10 55 Shore "A" Polyurethane Frame For Durability and Added Extra Ribs For Rigidity 25mm Deep Pleats For Longer Service Cycle, Progressive Bump Seal Design requires no sealing grease or gasket One Pair of Air Filters, Drop-in fitment for hassle-free installation Manufactured and assembled in the USA