🚨 Lead Time: 2 Weeks
Designed for the 2015–2021 Subaru WRX / STI (Sedan)
🔧 Direct Fitment
Engineered for precise alignment with factory bumper points—no cutting or modification required.
🛠️ Material
Constructed from aerospace-grade lightweight aluminum to ensure strength, performance, and longevity.
⚙️ Finish & Build Quality
Professionally CNC-machined and powder coated in gloss black. Pre-drilled for a smooth installation process.
Made in the USA
Expertly crafted in the United States using premium materials and industry-leading standards.
🧰 Install-Friendly
Comes complete with all required hardware.
Professional installation is highly recommended.
💨 Why Add a Rear Diffuser to Your WRX/STI?
The V4 Rear Diffuser offers a bold, functional enhancement to your WRX or STI’s rear-end appearance. Its aggressive design helps manage airflow beneath the car to reduce drag and increase rear-end stability—giving your Subaru both show and go.
Confirmed Exhaust Fitments:
- - Invidia R400
- - Nameless Exhaust Systems
- - Muffler Delete Setups
- - Subiespeed Exhaust
- - Militek Quadtip
Please email or call us if you have any questions regarding exhaust fitment.
