AFD Aero Kits, Exhausts & Wheel Spacers | Subaru, Honda, Toyota — Aero

2015-2021 Subaru WRX/STI V3 Side Skirt Extensions

2015-2021 Subaru WRX/STI V3 Side Skirt Extensions - Main image
$150 $299.99 In stock

Category: Subaru

Designed for the 2015–2021 Subaru WRX / STI, the V3 Side Skirt Extensions enhance the vehicle’s side profile with sharp, aggressive styling and track-inspired aero performance.

🔧 Direct Fitment
Engineered specifically for the VA-chassis WRX and STI models with guaranteed OEM-level fitment.

🛠️ Material
Crafted from aerospace-grade lightweight aluminum for strength, rigidity, and long-term durability.

⚙️ Precision-Crafted
Fully CNC-machined and professionally powder-coated in gloss black for a clean, show-quality finish.

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.

🧰 Installation-Ready
Pre-drilled with all necessary hardware included
📏 Sold as a pair — left and right side skirt extensions
🧑🔧 Professional installation highly recommended

🎨 Customize Your Look with Optional Accent Liners
Make your build stand out even more by adding our optional edge liners, designed to fit perfectly along the outer edge of your side skirt extensions. Available in red, white, black, or gold, these liners provide a clean contrast and elevated detail to match your style. 

💨 Why Add Side Skirt Extensions to Your WRX or STI?
These extensions reduce turbulent airflow along the sides of the vehicle, improving aerodynamic efficiency while enhancing your WRX or STI’s aggressive appearance. Ideal for enthusiasts looking to bridge form and function with track-ready detail.

Customer Reviews (4.8 / 5 · 5 reviews)

Ella R. ★★★★★

The install was straightforward since they’re a direct fitment, and once on, the side profile looks noticeably sharper without any gap issues. I’ve had them on for a few months now and they’ve held up fine through daily driving and some highway miles. Definitely gives the car that track-inspired sta

Edward A. ★★★★★

Pulled these out of the box and the aggressive profile change is immediate—they give the car that track-ready stance without looking overdone. The direct fitment meant zero trimming or fussing, which is rare for aftermarket aero. My 2019 STI finally looks the part from the side.

Joseph E. ★★★★★

The fitment is spot-on for my 2020 WRX—no drilling required, which made installation a breeze. They really sharpen the side profile and give it that track-inspired look I was after.