Charge Air Cooler Connector Hose And Clamp Kit, 4.00" Inside Diameter X 6.00" Long 2-Hump / 3-Steel Ring Hose, (2) Spring-Loaded T-Bolt Stainless Steel Clamps, Turbo Boost Hose / Air To Air Hose, Hoses provided in these kits are compatible with both hot or cold side of the charge air cooler system