18-23 Ford Mustang ROUSH 422085 Rear Valance Aero Foil Kit (Excl. EcoBoost/GT350)

The ROUSH 422085 Rear Valance Aero Foil Kit is a must-have for any 2018-2023 Ford Mustang GT owner who wants to add an aggressive, race-inspired touch to their pony’s rear valance. It is made from injection-molded TPO with a black stipple finish, offering an OEM look, long-lasting durability, and flexibility. The kit includes templates and hardware for install. Here are the top features:

  • Adds an aggressive, race-inspired touch to your pony’s rear valance
  • Separates the airflow beneath your vehicle for improved aerodynamic efficiencies
  • Constructed from injection-molded TPO with OEM-style black stipple finish
  • Lightweight, impact-resistant, durable, and flexible
  • Designed with Ford’s OEM CAD data to ensure an exact, precise fit
  • Includes templates and hardware for install
  • Fits 18, 19, 20, 21, 22, and 23 Mustang GT - will NOT fit EcoBoost or GT350

For the most accurate vehicle fitment information, please refer to the manufacturer website.

Vendor: Roush
SKU: RSH422085
Availability: 21 In Stock
$ 139.99 USD
On-Sale $ 139.99 USD
Normally $ 139.99 USD
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UPC: 844764006881
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18-23 Ford Mustang ROUSH 422085 Rear Valance Aero Foil Kit

The ROUSH 422085 Rear Valance Aero Foil Kit is a must-have for any 2018-2023 Ford Mustang GT owner who wants to add an aggressive, race-inspired touch to their pony’s rear valance. This kit is designed to work with the factory quad-tip GT valance and is made from injection-molded TPO (Thermoplastic Poly Olefin) with a black stipple finish, offering an OEM look, long-lasting durability, and flexibility. The plastic is molded with high-pressure injection, the same process used by OE automotive manufacturers, which allows for impact resistance and durable flexibility, while remaining lightweight with low density.

Why You Should Buy the ROUSH 422085 Rear Valance Aero Foil Kit

The ROUSH 422085 Rear Valance Aero Foil Kit is designed utilizing techniques used in racing to improve aerodynamic efficiencies. It works to separate the airflow beneath the car, allowing a smaller portion to follow the under-body contours, adjusting rear downforce. This kit adds an aggressive, race-inspired touch to your pony’s rear valance and is sure to turn heads wherever you go.

Key Features

  • Adds an aggressive, race-inspired touch to your pony’s rear valance
  • Separates the airflow beneath your vehicle for improved aerodynamic efficiencies
  • Constructed from injection-molded TPO with OEM-style black stipple finish
  • Lightweight, impact-resistant, durable, and flexible
  • Designed with Ford’s OEM CAD data to ensure an exact, precise fit
  • Includes templates and hardware for install
  • Proudly manufactured here in the U.S.A.

Benefits

  • Offers OEM look, long-lasting durability, and flexibility
  • Lightweight and impact-resistant
  • Designed with OEM CAD data to ensure precise fit
  • Easy installation means no trimming painting is required (drilling for mounting is required)
  • All required parts are included, such as hardware, templates, and detailed instructions
  • 90-Day ROUSH Limited Parts Warranty

Product Specs

  • Fits 18, 19, 20, 21, 22, and 23 Mustang GT - will NOT fit EcoBoost or GT350
  • Add to the factory rear valance for an aggressive look inspired by racing
  • Made from injection-molded TPO (Thermoplastic Poly Olefin) with a black stipple finish
  • Minor modification to rear valance for mounting is required
  • Estimated installation time - 1 hour

Install Difficulty Level

The ROUSH 422085 Rear Valance Aero Foil Kit is designed for easy installation. The kit includes all required hardware, templates, and detailed instructions, making the installation process quick and hassle-free. According to web results, the installation time is approximately 1 hour, and the kit requires minor modification to the rear valance for mounting.

Vehicle Fitment

The ROUSH 422085 Rear Valance Aero Foil Kit is designed to fit 2018-2023 Ford Mustang GT models. It will NOT fit EcoBoost or GT350 models. For the most accurate vehicle fitment information, please refer to the manufacturer website.

Please contact the MPT Performance experts at (407) 636-7077 or by email if you have any questions about this product or to report product description inaccuracies.

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Turnaround Times:

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Special Considerations:

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MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
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Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
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Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
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  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
2019-2020 Ford Mustang Bullitt
2018-2023 Ford Mustang EcoBoost
2018-2023 Ford Mustang EcoBoost Premium
2018-2023 Ford Mustang GT
2018-2023 Ford Mustang GT Premium
2021-2023 Ford Mustang Mach 1
2018-2020 Ford Mustang Shelby GT350
2018-2020 Ford Mustang Shelby GT350R
2020-2022 Ford Mustang Shelby GT500

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