aFe Cold Air Intake 4-3/4in ID x 3in L Hump Polyurethane Coupler | (59-00004)

The aFe Magnum Force Intake Hump Coupling Kit (59-00004) is a high-performance polyurethane coupler designed to connect intake components with a 4-3/4 inch inner diameter and 3 inch length. Constructed from reaction injection molded (RIM) polyurethane, it is engineered to withstand elevated engine compartment temperatures while maintaining flexibility and resilience. The inclusion of stainless steel worm-gear clamps ensures a secure, tight fit that resists corrosion and enhances durability. This coupling kit is suitable for demanding applications such as industrial, commercial, off-road, racing, and high-performance automotive setups, providing a reliable seal under extreme conditions. Its robust construction and precise sizing contribute to optimal airflow and engine efficiency, making it an essential upgrade for performance enthusiasts.

This coupler is compatible with a variety of late-model vehicles requiring a 4-3/4 inch ID connection, particularly in custom or aftermarket intake systems. It is designed for easy bolt-on installation, serving as a direct replacement or upgrade for factory or worn-out couplers. Suitable for use in street, off-road, and racing environments, it helps improve intake airflow and engine response. The kit includes the polyurethane coupler and stainless steel clamps, ensuring a complete, ready-to-install solution. Proper fitment depends on matching the specified dimensions, making it ideal for custom piping setups and performance modifications that demand durable, high-temperature resistant components.