AIRTEC Motorsport Cold Side Big Boost Pipe Kit for Hyundai I20NAs part of our expanding Hyundai product range, AIRTEC Motorsport is proud to launch our cold side big boost pipe kit upgrade for the i20N suitable for track or fast road use. A direct replacement that offers increases in performance and response, our enlarged cold side boost pipe kit replaces the hoses from the intercooler to the throttle body with a freer flowing design that offers increased internal capacity. The original hose is 53mm in diameter