A front spoiler mounted beneath the bumper and shaped to reduce the airflow under the car. Air dams can increase the airflow to radiators, reduce aerodynamic drag, and/or reduce lift.

气坝。汽车扰流器配件之一。装在保险杆下方，减少气流进入车身下方，增加气流进入散热器，减少空气阻力及升力。