I have an Ecoboost now. I added an MBRP Street cat-back exhaust a month ago because the stock exhaust sounded like a Honda 50cc motorbike. The MBRP is terrific in sound and increased MPG. Nice purr now with a rumble when wanted.


I am thinking of getting a GT next purchase, but I do not want something that is LOUD. I've read several places where drivers were not happy with the stock GT sound. Has anyone added an exhaust to quiet the exhaust a bit? I want the power of a V8 next time, but I...

Mustang GT - anyone put on a quieter exhaust?