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Authority Motorsport

Dodge Challenger Rear Diffuser Kit V3 2015-2021

Dodge Challenger Rear Diffuser Kit V3 2015-2021

Regular price $88.00 USD
Regular price Sale price $88.00 USD
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Shipping calculated at checkout.

Rear Diffuser Kit V3 specially designed and tested for the Dodge Challenger SXT, RT, Hellcat 2015, 2016, 2017, 2018, 2019,  2020 and 2021  stock rear bumper.

Our unique Rear Diffuser Kit attaches directly to the stock bumper (drilling is required), adding the functionality and looks of a Rear Diffuser without having to swap the entire rear bumper.


  •            Increased Downforce.
  •            Better stability at high speeds.
  •            Improved aggressive look.
  •            Installation time is less than 30 minutes.
  •            No special tools are needed.
  •            No need to remove the rear bumper or diffuser for installation.

Specifically designed and tested for this kind of Rear Lower Bumper:

We only use the best materials, in this case is an Aluminum Compound for added strength and weight saving. 

*** All hardware needed for installation is included ***



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