All-New Ford Shelby GT350R Mustang Roars Off the Line at Flat Rock Assembly Plant Home » All-New Ford Shelby GT350R Mustang Roars Off the Line at Flat Rock Assembly Plant » All-New Ford Shelby GT350R Mustang Roars Off the Line at Flat Rock Assembly Plant Posted on 21 August, 2015 All-New Ford Shelby GT350R Mustang Roars Off the Line at Flat Rock Assembly Plant