This finned rear diffuser is extremely lightweight and adds both aggressive look and function to the WRX/STI. It directs airflow from the rear to maximize aerodynamic performance and increase rear end stability.
Made from high quality hand laid FRP to ensure perfect fitment and durability.
-Application: 2011-2014 Subaru WRX STi (Sedan)
-Made in the USA
* This item requires professional prep and paint prior to installation
**Mounting brackets not included
*** Made to order, normally ships within 5-7 business days