2015-2021 Subaru WRX/STI V1 Side Skirt Extensions
Category: AeroflowDynamics
Model: 2015–2021 Subaru WRX / STI Side Skirt Extension V1
Add sharp, race-inspired styling and enhanced side aero to your VA WRX or STI with our original V1 design — the clean, aggressive upgrade your build needs.
🔧 Direct Fitment
Designed specifically for the 2015–2021 WRX and STI with guaranteed OEM-level fitment.
🛠️ Material
Made from aerospace-grade lightweight aluminum for superior strength and long-term 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
Pre-drilled with all necessary hardware included
📏 Sold as a pair — left and right side skirt extensions
🧑🔧 Professional installation highly recommended
🎨 Optional Accent Liners Available
Add a personalized touch with our edge liner kits — available in red, white, black, or gold. These liners follow the outer edge of the skirts, providing a bold contrast and custom look.
💨 Why Add Side Skirt Extensions to Your WRX or STI?
These extensions improve airflow along the lower body while giving your WRX or STI a wider, more aggressive look — perfect for both track builds and clean street setups.
Before you pay
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When it ships
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Refund processing (days after receipt and inspection): 3. Bank or payment provider posting times are separate from the merchant processing period.
View policyDelivery costs
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyReturning an item
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
Buyer arranges shipping; seller reimburses the postage
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