2015-2021 Subaru WRX/STI V3 Diffuser

Designed for the 2015–2021 Subaru WRX / STI

🔧 Direct Fitment
Specifically engineered to mount directly to the factory rear bumper with no cutting or trimming required.

🛠️ Material
Crafted from aerospace-grade lightweight aluminum for superior durability and strength.

⚙️ Finish & Build Quality
Precision CNC-cut and professionally powder coated in gloss black. Pre-drilled for straightforward installation.

Made in the USA
Proudly designed and manufactured in the United States using premium materials.

🧰 Install-Friendly
Includes all required hardware.
Professional installation is highly recommended.

💨 Why Add a Rear Diffuser to Your WRX/STI?
This rear diffuser enhances the WRX/STI’s aggressive styling while improving aerodynamic performance. By optimizing underbody airflow, it helps reduce drag and increase rear-end stability at higher speeds.

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.