The Mach 1 sounds more than appropriate with the bone-stock exhaust. On the other hand, the aftermarket begs to differ because there is ample demand for louder exhaust upgrades. Instead of replacing ...
It’s not a GT but not yet a Shelby GT500 either. The all-new Ford Mustang Mach 1 gets Goldilocks’d between the two for 2021 — replacing the Mustang GT350, which has been sent off to “live on a farm” ...