Description
The ZL1 Addons Rear Diffuser for the 2015–2023 Dodge Challenger is a functional aerodynamic upgrade designed to smooth and channel airflow from underneath the vehicle. Built with an aluminum belly pan mated to an HDPE upper structure with an automotive-grade visible finish, this diffuser improves airflow from the differential to the rear of the vehicle, unlike cosmetic-only panels.
The system bolts directly to the OEM rear valance as an add-on and ships with all required mounting hardware. Hardware has been updated to support both threaded and unthreaded rear differential cross braces. If your Challenger uses an unthreaded rear crossmember, a Rivnut tool is required for proper installation.
For a cleaner, lower-profile appearance, see the Challenger Stealth Diffuser.
Vehicle Fitment
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2015–2023 Dodge Challenger (all models)
Finish Options
Standard Aluminum:
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HDPE diffuser body and fins
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Raw aluminum mounting plate
Black Powder-Coated Aluminum:
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HDPE diffuser body and fins
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Black powder-coated aluminum mounting plate
Manufacturing Lead Time
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Standard aluminum finish: 7–10 business days
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Black powder coat finish: 14–21 business days
Material Notes
The aluminum mounting plate is a structural component and may show small surface marks from manufacturing. These marks are not visible once installed under the vehicle.
Install Guide:
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