Filed under: Ford,Coupe,Performance A Gurney flap adds a little extra downforce for greater performance. Continue reading 2019 Ford Mustang Shelby GT350 gets aero and chassis upgrades 2019 Ford Mustang Shelby GT350 gets aero and chassis upgrades originally appeared on Autoblog on Mon, 11 Jun 2018 11:50:00 EDT. Please see our terms for use of feeds. Permalink | Email this | Comments Continue reading...