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Find Rear Diffusers & Valances for your Mustang

Stealth Diffuser; Full 3-Piece (18-23 Mustang EcoBoost w/o Active Exhaust)Find parts that fit my vehicle

Item 439988
$0.00
2 Reviews
Our Price

$584.99 each

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      Product Information

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

      Features

      • Diffuser
      • Includes an Aluminum Belly Pan for Improved Aerodynamics
      • Made in the USA
      • Stealthy Design
      • Aerodynamic
      • Direct Replacement
      • Comes as a Full 3-Piece Kit
      • Fits 2018-2023 Ford Mustang EcoBoost without Active Exhaust Models

      Description

      High-Performance Aero Upgrade. The Diffuser is a precision-designed aerodynamic enhancement built to improve airflow, reduce drag, and increase vehicle stability at higher speeds. Designed specifically for Mustang EcoBoost models without active exhaust, this stealthy component adds both performance value and a sleek appearance to your rear-end styling. It’s the ideal upgrade for drivers who want to combine functional performance with aggressive design.

      Construction and Appearance. Manufactured in the USA, this 3-piece diffuser kit features a robust construction and includes an integrated aluminum belly pan that improves underbody airflow. The stealthy design enhances rear-end aerodynamics while delivering a bold, motorsport-inspired aesthetic. Built to withstand road debris and harsh driving conditions, it provides both durability and style in one package.

      Installation. Designed for adaptable installation, this diffuser serves as a direct replacement and mounts securely using factory mounting points. The complete 3-piece kit comes ready for installation with minimal modification required, making it ideal for performance enthusiasts and styling upgrades alike.

      Application. This Diffuser fits 2018-2023 Ford Mustang EcoBoost without Active Exhaust Models. It’s a performance-driven and visually striking addition that enhances rear-end airflow efficiency while adding a race-inspired touch to your vehicle’s exterior.

      Fitment:

      Details

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Diffuser
      5.0

      Customer Reviews (2)

      Reviews of similar Exterior products have an average rating of 4.7 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Mustang

      • EcoBoost - 18, 19, 20, 21, 22, 23