1.8 LITER. Coupe. from VIN 1CY452901. PartQualifier: #2. Pressure tube. A pipe that transfers compressed air to from the turbo or super charger to the intercooler. AIR Duct. Charge Air Cooler Pipe. Connector pipe. Hose and Amplifier; tube Assembly. Intercooler Pipe. Pressure tube. Vacuum Hose.