HOw do i get that growl sound out of my S500 exhaust?
My car sound pretty mean right now but i want more of a growl sound for my car.
Im looking to replace my secondary cats with 200 cell high flow metallic cats. and also to add this type of resonator instead of the the stock one
http://vibrantperformance.com/catalo...110975b1271664
what do you think?




