Our Filter Box is engineered to minimize hot air from entering the engine in order to increase HP. Specifically designed to each vehicle application to increase air volume. Silicone connectors provide flexibility while still maintaining strength and thermal stability. Marine grade clamps allow optimal performance with a large operating range. Air ducts are specifically sculpted to maximize the breathing capabilities of you engine. Larger diameters unique bends and smooth transitions give you maximum horsepower. All necessary hardware is included. Each filter comes pre - oiled and ready to install.