Looks like the Pirellis got the heave-ho for this application. Ford has followed their tire brand choice from the Shelbys and the GT supercar to go with Michelin's latest summer performance tire, the Pilot Sport 4S, on the 2018 Mustang GT Performance Pack cars. Same sizing as previous years, 255/40R19 front and 275/40R19 rear.




Details here:

https://media.ford.com/content/fordm...nd-new-hi.html