Introducing the NEW Halltech Super Hornet Cold Air Intake for your Chevrolet C8 5.5 liter engine. This direct replacement requires no modifications and no tuning! Dyno proven gains up to 18 hp in the midrange. The filter box is made from military grade XLPE that has a stainless backplate for all factory harness fasteners to be retained. This easy to install airbox will reuse your stock throttle body connector hose, pcv fitting, left and right inlet ducts and mounting bolts. This air filter has nearly 1,000 square inches of filtration. The airbox features a molded-in velocity stack and a reverse flow partition to ensure laminar flow at the MAF sensor.