Originally Posted by 2013MustangV6
I had mine installed the same time as my Roush axleback. Definitely louder exhaust note. It should reduce back pressure and better flow.
It will only reduce back pressure if he removes his catts and higher flowing mufflers.
OP it's gna be nasty raspy and annoying with stock mufflers. If u have aftermarket mufflers your car is gna be louder and raspier