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Find Rear Diffusers & Valances for your Mustang

Authority Motorsport R550 Rear Diffuser (18-23 Mustang GT)Find parts that fit my vehicle

Item 432565
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Authority Motorsport R550 Rear Diffuser (18-23 Mustang GT)
Verify parts fit and get product recommendations.
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2 Reviews
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$295.00 each

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    Frequently Bought Together

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Rear Diffuser
      • Reduced Drag
      • Increased Downforce
      • Improved Handling and Acceleration
      • Limited Lifetime Warranty
      • Fits 2018-2023 Mustang GT Models

      Description

      Performance. The Authority Motorsport R550 Rear Diffuser will take your Mustang GT to a whole new level of performance. This rear diffuser increases downforce, lowers drag, enhances handling, and accelerates more quickly than ever before, giving you the most thrilling driving experience ever.

      Durable. High-quality ABS plastic is used to manufacture the R550 Rear Diffuser in the USA, assuring its sturdiness and longevity. Your Mustang GT will stand out from the competition because of its classy matte black design.

      Installation. Putting this Authority Motorsport R550 Rear Diffuser on your Mustang GT is easy and requires no drilling.

      Warranty There is a limited lifetime warranty on this product.

      Application. The Authority Motorsport R550 Rear Diffuser fits 2018-2023 Mustang GT models.

      Fitment:

      Details

      Authority Motorsport 912138000961

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Rear Diffuser
      • Hardware
      • Instruction Manual
      5.0

      Customer Reviews (2)

      Brand Image

      Reviews of Authority Motorsport Exterior products have an average rating of 4.8 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Mustang

      • GT - 18, 19, 20, 21, 22, 23