COLD AIR INTAKEThe use of the COLD AIR INTAKE system improves the airflow to the engine, allowing a higher volume of air to be drawn in to the Engine. Smoother, cleaner engine running Slightly increased torque More aggressive throttle response The COLD AIR INTAKE system is an upgrade kit specifically designed for the Vespa GTS to improve engine performance and throttle response. It consists of a stainless steel tube assembled from several parts by laser welding and