The engine also uses low restriction air intake and exhaust systems to maximize power output. (bestride.com)
This extra surface area provides even more airflow at lower restriction than a standard replacement filter that is limited to the size of the factory air box. (topgearautosport.com)
This allows us maintain low restriction for quick acceleration, while nearly eliminating the in cabin resonation created by the automatic transmission of the new CTS - V. (weaponxmotorsports.com)