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

2015-2021 Subaru WRX/STI V6 Side Skirt Extensions

2015-2021 Subaru WRX/STI V6 Side Skirt Extensions - Main image
$150 $299.99 In stock

Category: Subaru

Designed for the 2015–2021 Subaru WRX / STI, the V6 Side Skirt Extensions bring bold, aggressive styling and aerodynamic performance to your VA chassis with a sleek, one-piece construction.

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

🛠️ Material
Made from aerospace-grade lightweight aluminum for exceptional strength and reduced weight.

⚙️ Precision-Crafted
Features one-piece CNC-machined construction and is professionally powder-coated in gloss black for a clean, high-end 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 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?
Side skirt extensions reduce turbulent airflow along the lower body and add a race-ready stance to your WRX or STI. The V6 design offers aggressive styling and functional aerodynamics, making it a must-have upgrade for both street and track builds.

Customer Reviews (4.8 / 5 · 5 reviews)

Carter ★★★★★

The one-piece design really cleans up the sides of my VA chassis—no gaps or flimsy multi-piece seams to fuss over. Fitment was spot-on against the factory rocker panels, and the aggressive profile makes the car look noticeably lower without any rubbing issues.

Leo ★★★★★

Bolted them on in about an hour with basic hand tools, and the one-piece construction means no ugly seams where two parts would meet. They tuck tight against the rocker panels and give the VA chassis exactly that lower, planted look I was after.

Thomas F. ★★★★★

The aggressive one-piece profile really transforms the lower half of the car, and they bolted up perfectly to the factory mounting points. I'm getting way more compliments at the gas station than I expected for a simple side skirt add-on.