An undertray, also known as a belly pan or underbody shield, is an aerodynamic component used in automotive design to smooth the airflow underneath a vehicle. By covering the complex and irregular components of the lower chassis; such as the engine, suspension, and exhaust system—an undertray reduces drag.
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Last revised Jun 2, 2026
Undertray
An undertray, also known as a belly pan or underbody shield, is an aerodynamic component used in automotive design to smooth the airflow underneath a vehicle. By covering the complex and irregular components of the lower chassis; such as the engine, suspension, and exhaust system—an undertray reduces drag.