Large 3-Layer Performance Air Filter: This intake system utilizes an oil-free, large 6" tall conical 360 degree radial flow performance air filter with 3-Layer progressively finer porosity synthetic media for maximum convenience. One-Piece Heat Shield: Sturdy 18 Gauge Powder-Coated One-Piece Heat Shield blocks performance-robbing engine heat. This heat shield requires no assembly and uses factory mounting locations for fast and easy installation. Mandrel-Bent Tubing: Two Piece 3" Mandrel-Bent Powder-Coated Aluminum Intake Tube directs unrestricted airflow from the massive filter to the turbo for more horsepower and torque. Premium Hardware: Premium hardware and clamp are used to securely mount the high flow air filter and the intake tube. Takeda Stage-2 Cold Air Intake System w/ Pro 5R Media Black Nissan Altima 13-18 I4-2.5L Nissan Altima 13-18 I4-2.5L