2011-2014 Subaru WRX/STI V5 Diffuser

CURRENTLY NOT IN PRODUCTION

Designed for the 2011–2014 Subaru WRX/STI Sedan

🔧 Direct Fitment
Designed to seamlessly bolt onto the factory rear bumper of the 11–14 WRX and STI sedan for a flush, aggressive upgrade.

🛠️ Material
Crafted from aerospace-grade lightweight aluminum, offering excellent strength without unnecessary weight.

⚙️ Finish & Build Quality
Fully CNC’d and professionally powder coated in gloss black. Pre-drilled for precise 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
Includes all necessary hardware for a complete install.
Professional installation is highly recommended.

💨 Why Add a Rear Diffuser to Your WRX/STI?
The V5 diffuser brings race-inspired styling to your WRX or STI while enhancing aerodynamic efficiency. It helps manage underbody airflow, reducing drag and adding rear-end stability—especially noticeable at higher speeds. A perfect blend of form and function for street or track.

Confirmed exhaust fitment: 

• Q300

• N1 DUAL/SINGLE

•Nameless Performance

• Tomei

• OEM/SPT

PLEASE EMAIL US TO VERIFY WHICH EXHAUST YOU HAVE.