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RTR Rear Diffuser [2018-20 Mustang GT 5.0 V8]

Modern, aggressive, race-inspired looks come as standard with the RTR Mustang rear diffuser upgrade.

Designed and developed in conjunction with Vaughn Gittin Jr., this RTR Diffuser offers a tastefully more pronounced Rear diffuser for those who want a bit more in comparison to the subtle factory rear diffuser.


  • RTR Aggressive Track Inspired Styling
  • Durable Injection Moulded TPO Material
  • Features a Grained Texture
  • Straight Forward Installation - Cutting is Required
  • Sold as a Pair; Driver and Passenger Side Included
  • Fits 2018 - 2019 Mustang GT models with dual quad exhaust

Download the fitting guide here.