2015 - 2021 Subaru Wrx/Sti Rear Diffuser V3
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
🚨 Lead Time: 2 Weeks
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.
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.