HKS Intercooler Kits are application specific upgrade kits for factory intercooled turbocharged vehicles. Designed specifically for each application; intercooler width, height, thickness and placement are calculated for maximum efficiency and performance. All necessary silicone hoses, brackets, hardware and fittings are included for a complete bolt-on installation. Most application specific HKS Intercooler systems and upgrade kits are CARB exempt (CARB E.O. #D-186-21)