2011-2014 Subaru WRX/STI V1 Diffuser

CURRENTLY OUT OF PRODUCTION

Designed for the 2011–2014 Subaru WRX / STI (Sedan Only)

🔧 Direct Fitment
Engineered to mount directly onto the OEM rear bumper of 2011–2014 WRX and STI sedan models with no cutting or trimming required.

🛠️ Material
Built from aerospace-grade lightweight aluminum to ensure strength, durability, and longevity under daily or track use.

⚙️ Finish & Build Quality
Fully CNC’d and professionally powder coated in gloss black for a clean, aggressive finish. Pre-drilled for ease of install.

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 mounting hardware.
Professional installation is highly recommended.

💨 Why Add a Rear Diffuser to Your WRX/STI?
This diffuser enhances your WRX/STI’s rear-end styling while optimizing underbody airflow. The result is improved aerodynamics, reduced turbulence, and a track-inspired aesthetic that stands out on the street or at the show.

Confirmed exhaust fitment: 

• Q300

• N1 DUAL/SINGLE

•Nameless Performance

• Tomei

• OEM/SPT

PLEASE EMAIL US TO VERIFY WHICH EXHAUST YOU HAVE.