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RTR Undertray Extension (24+ Mustang, All)


The RTR Undertray Extension is a performance-enhancing accessory designed for the 2024 Mustang GT that has the RTR Front Chin Splitter installed. It is crafted from durable black ABS plastic, this sleek undertray extension is engineered to take your Mustang's performance and appearance to the next level.

You can expect improved aerodynamics and increased downforce as the RTR Undertray Extension substantially smooths airflow underneath the front of your Mustang. This results in enhanced stability and cornering capabilities, empowering you to take on the road with confidence and precision. 

Installing the undertray extension is a breeze, thanks to the simple installation process and the inclusion of all necessary hardware in the package. With easy-to-follow instructions, you can have your Mustang race-ready in no time.

The RTR Undertray extension maximizes the synergy between the RTR Chin Splitter to achieve peak performance and create a striking visual impact that sets your S650 Mustang apart from the rest.


  • Fits 2024+ Mustang EcoBoost** & GT
  • Smooths airflow underneath the Mustang
  • Must have the RTR Chin Splitter installed
  • Made from durable, ABS plastic
  • Straight-forward installation - **EcoBoost models require slight modification


Year Model
Ford® Mustang EcoBoost, GT

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