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

2015-2021 Subaru WRX/STI V5 Side Skirt Extensions

2015-2021 Subaru WRX/STI V5 Side Skirt Extensions - Main image
$150 $299.99 In stock

Category: Subaru

Designed for the 2015–2021 Subaru WRX / STI, the V5 Side Skirt Extensions deliver aggressive styling, aerodynamic refinement, and a race-ready stance for your build.

🔧 Direct Fitment
Precisely engineered for the VA-chassis WRX and STI platforms with guaranteed OEM-level fitment.

🛠️ Material
Constructed from aerospace-grade lightweight aluminum with a strong one-piece design for maximum durability.

⚙️ Precision-Crafted
Fully CNC-machined and professionally powder-coated in gloss black for a clean, high-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
Comes pre-drilled with all 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, improving stability and aerodynamic efficiency. The V5 design adds a sharp, aggressive visual upgrade that pairs perfectly with other aero components — ideal for both street and track builds.

Customer Reviews (5.0 / 5 · 5 reviews)

John ★★★★★

Bolted them on in about an hour with basic hand tools, and the direct fitment claim actually holds up—no drilling or fighting alignment. The car sits noticeably lower visually and the extra rake from the extensions gives it that race-ready silhouette I was chasing.

Eli ★★★★★

The aggressive lower stance is exactly what the front end was missing, and the contour hugs the factory rocker panels without any weird gaps. Took about an hour to get both sides dialed in, and the race-ready look feels way more intentional than I expected for the price.

Nicholas F. ★★★★★

Bolts lined up perfectly on my 2019 WRX—no wrestling or drilling needed, just direct fitment like they claimed. The race-ready stance is exactly what I was after, and they’ve held up through a few aggressive canyon runs without a hint of flex.