This is the aggressive "fin like" part that mounts on the rear of the roof right above the window. The vortex generator provides a great look and actually improves downforce at high speeds.

According to the Ralliart EVO MR brochure, this vortex generator was wind tunnel tested at 180km/h.  Vortex Generator Test results (on 180km/h):  Rear downforce: + 2kg = 35% UP  Air Resistance (CD) : 1.1% OFF

Fits: Mitsubishi Lancer Evolution VIII / IX  ( PART #MZ380334EX )

Tech Tip: This part only take 20 minutes to install and attaches by 3m double sided tape that is included. Fits right above the rear window and comes in red finish.

Install Guide: Click here for the installation guide for this part