Mustang GT Owners Can Now Hush Their Pony's Growl

Drivers of the Mustang GT can now opt for a Quiet Start, or “Good Neighbor Mode,” which allows drivers to choose when to make their pony growl and when to make it more suitable to early mornings.
This new mode will limit the volume on the GT’s V8 engine, using an active valve performance exhaust system, which closes the car’s valve to restrict the noise emitted by the car. When drivers wish to limit the impressive growl from their GT, they can simply activate the Quiet Start.
“Active valve performance exhaust gives Mustang owners the best of both…