Mackinac Bridge Authority

Spanning the Straits of Mackinac since 1957

Muscle on the Mac

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Muscle on the Mac

Saturday, June 26, 2021
8:00 pm

This show of horsepower made its debut at the 44th Annual Car Show. On Saturday evening, more than 140 cars with a combined 71,920 horsepower paraded across the Mackinac Bridge.