Vortex generators are small, fin-like attachments typically installed on a car’s roof or other surfaces that catch airflow. They’re designed to control how air moves over and around the car ...

The 911 GT3 RS Weissach Package is quicker still than the 911 GT3 Manthey Performance Kit, with Jorg Bergmeister clocking 6:44.848 in 2022 on Michelin Pilot Sport Cup 2 Rs.

Enter the Evo MR– 27.6 pounds lighter, 5 horse bigger and "vortex generators". The eight shark fins over the rear window divert air and reduce lift by 35 percent at around 110mph. Great for ...