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.
Product : Rear Finned Diffuser - FRP
Material : FRP with gel coat
Note : Mounting hardware included
Made in the USA
Application: 2011-2014 Subaru WRX STi (Sedan)
* This item requires professional prep and paint prior to installation
** Mounting brackets not included
*** Made to order, normally ships within 2 weeks