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 IN STOCK - LOW 422085Ready to race, or just show off the performance capabilities of the 2018-2023 Mustang? Add ROUSH Rear Valance Aero Foil Kit, designed to work with the factory quad-tip GT valance! Designed utilizing techniques used in racing to improve aerodynamic efficiencies, ROUSH Rear Valance Air Foils work to s... Roush 2018-2023 Ford Mustang Rear Valance Aero Foil Kit (Excl. EcoBoost/GT350) 2018-2023 Ford Mustang EcoBoost / EcoBoost Premium / GT / GT Premium 2020-2022 Ford Mustang Shelby GT500 2021-2023 Ford Mustang Mach 1 $142.99 |