2015-2021 Subaru WRX/STI AGGRESSIVE V5 Diffuser
2015-2021 Subaru WRX/STI AGGRESSIVE V5 Diffuser
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Finish
Description
Designed for the 2015–2021 Subaru WRX / STI
🔧 Direct Fitment
Precision-designed to mount cleanly onto the OEM rear bumper of all 2015–2021 WRX and STI models.
🛠️ Material
Crafted from aerospace-grade lightweight aluminum, offering high strength without unnecessary weight.
⚙️ Finish & Build Quality
Fully CNC’d and professionally powder coated in gloss black. Pre-drilled for easy 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
Ships with all necessary hardware.
Professional installation is highly recommended.
💨 Why Add a Rear Diffuser to Your WRX or STI?
This aggressive V5 diffuser enhances rear-end aesthetics while managing underbody airflow to reduce drag and improve stability. The sculpted fins and bold styling make a statement at any angle — perfect for track builds and street-driven performance cars alike.
Fitment & Specs
Use the vehicle finder to verify compatibility for your specific make, model and year.
Shipping
Free shipping (no minimum).
Find Parts For Your Vehicle
Three steps. Zero guesswork. Every part bench-tested against the OEM body for a 100% fitment guarantee.
If you have questions or concerns, feel free to contact our specialist today!
OWNER FEEDBACK
Real Builds. Real Results.
Verified feedback from enthusiasts who installed, drove, and lived with this product.







