Chevrolet’s Corvette ZR1X has dethroned the Ford Mustang GTD as the fastest American car, prompting a competitive response from Ford CEO Jim Farley.

Team Chevrolet is still basking in the glory of setting a new record for American cars around the Nürburgring. Both the Corvette ZR1 and ZR1X finished the 12.9-mile lap in under seven minutes, and in doing so,

Chevy took it personally when the Mustang GTD became the first American car to break the 7-minute barrier at the Nurburgring.