2015-2021 Subaru WRX/STI V2 Diffuser
Talk to an AFD Performance Specialist
100% Fitment Guarantee • Real Enthusiasts • No Guesswork
M-F 9:00AM - 5:00PM
Over 1,000,000+ parts installed Worldwide
Designed for the 2015–2021 Subaru WRX / STI
🔧 Direct Fitment
Engineered for a precise and secure fit to the factory rear bumper of the 2015–2021 WRX and STI models.
🛠️ Material
Made from aerospace-grade lightweight aluminum, offering a perfect balance of strength and weight savings.
⚙️ Finish & Build Quality
Fully CNC’d and professionally powder coated in gloss black. Pre-drilled mounting points ensure a seamless installation.
Made in USA
Proudly manufactured in the United States using high-grade materials and expert craftsmanship.
Production Lead Time
CNC items are made to order and have raw materials allocated to production once the order is placed. For concerns regarding current lead times, please review the CNC Products section in our Terms & Conditions.
🧰 Install-Friendly
Includes all required hardware for mounting.
Professional installation is highly recommended.
💨 Why Add a Rear Diffuser to Your WRX/STI?
Enhance rear-end styling while improving airflow and reducing drag. This diffuser not only sharpens your vehicle’s appearance but also boosts aerodynamic efficiency—giving your WRX or STI a performance edge both visually and on the road.
