Designed for the 2015–2021 Subaru WRX / STI
🔧 Direct Fitment
Specifically designed for a clean, bolt-on fit to the OEM rear bumper of all 2015–2021 WRX and STI models—no modifications needed.
🛠️ Material
Crafted from aerospace-grade lightweight aluminum, offering unmatched strength and durability for street or track use.
⚙️ Finish & Build Quality
Fully CNC’d and professionally powder coated in gloss black. Pre-drilled mounting points ensure an efficient and accurate 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 necessary hardware for a complete install.
Professional installation is highly recommended.
💨 Why Add a Rear Diffuser to Your WRX/STI?
This diffuser enhances your vehicle’s aerodynamics by managing underbody airflow and reducing drag. The aggressive design also gives your WRX/STI a bold, race-ready look that turns heads wherever you go.
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