2011-2014 Subaru Wrx/Sti Rear Diffuser (Sedan) V5
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 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 the USA
Proudly built in the United States with top-tier materials and craftsmanship.
🧰 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.
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.