A good active aero can help improve downforce and result in a more planted car. However, air can be turbulent and getting it to go across the right places can be tough. A good way is using vortex generators that channel air to the rear of the vehicle. A BLOX Roof Fin Vortex Spoiler is a simple and effective way of improving the airflow over your Subaru WRX STI. Each vortex generator is made from sturdy ABS plastic and contours to the shape of the roof line, and is simple to install using automotive-grade double-sided tape.

Key Features:

• Direct fit for the specific shape and contour of your Subaru WRX STI.
• Helps generates extra downforce on the rear of your Subaru WRX STI.
• Made of solid ABS plastic.
• Direct-fit piece that is easy to install.
• BLOX recommends 3M automotive-grade double-sided tape for best installation results.