Intercooler Piping Pipe Tube Kit For 17 21 Honda Civic Type R Type R HKS Intercooler Pipe Kit 2017 2021 Honda Civic Type R FK8 (2.0L) Honda Civic Type R FK8 HKS Inlet Outlet Intercooler Piping Kit Installed HKS intercooler and pipes 2016+ Honda Civic Forum (10th Gen. Aluminum Piping Kit Replacing the rubber inlet & outlet hoses with aluminum hoses restrains its expansion to improve the throttle response and smoothly increase the boost pressure. Also, aluminum hoses can be securely connected even under a high pressure. Features Factory rubber hoses are replaced with aluminum pipes and silicone joint hoses, and they are secured with reinforced hose bands. HKS original casting inlet pipe allows smooth layout. Note: This Part is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.