2015-2021 Subaru WRX/STI AGGRESSIVE V5 Diffuser

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 the USA
Proudly built in the United States with expert craftsmanship and top-tier materials.

🧰 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.

CNC-cut aero components are produced per order and require material allocation and machine programming.

• Typical Lead Time: 3-5 weeks
  

• CNC items may be canceled within 48 hours
  

• After 48 hours: Orders become FINAL SALE

• Any cancellation request will be subject to a restocking fee due to production preparation already in progress.