This 7” tall 360-degree radial flow air filter features a 4" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity, while not requiring the use of oils. This media is best suited for street use.The included massive air filter is surrounded by an open-element XLPE (cross-linked polyethylene) polymer housing that pulls in air from the front of the vehicle and minimizes warm engine air, for maximum performance. Its open design allows for easy viewing of the air filter and delivers an aggressive Air Intake sound. This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat soak resistant and extremely durable. This is a direct fit intake system that utilizes factory mounting points and requires no cutting or modifications. All necessary clamps, couplings, and hardware are included. Its revolutionary design, featuring our patent pending filter-to-housing interface, uses half the number of parts of a traditional cold air intake system.. Deliver more cool air to your BMW's engine and reap the reward of better performance and an aggressive, but not overpowering, turbo whistle.. Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Filter BMW 335i (F30) 12-15 L6-3.0L (t) N55. Innovative Filter-to-Housing Interface and Minimal Hardware for Fast and Easy Installation. Open-Element Design Showcases the Air Filter and Delivers an Aggressive Air Intake Sound. AFe Magnum FORCE Stage-2 Cold Air Intake System w/Pro Dry S Media 12-15 BMW 335i F30. Washable and Reusable Pro DRY S Air Filter for Maximum Convenience. Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Filter. Dyno-Proven Gains up to +7 HP & +14 Lbs. x Ft. TQ. Magnum FORCE Cold Air Intake System. Measured Flow: 605 CFM @ 7" H2O. Outflows Factory Intake by 34%. Magnum FORCE Intake

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