Originally Posted by bb1
It's funny so many people say putting a free flowing exhaust (& intake) do NOTHING AT ALL for performance (or mpg's).
I'm just speaking from experience. Putting a cat back system on an otherwise stock vehicle just isn't going to do much, at least not on an I4 Ranger. I never expected any big performance gains, I just wanted a nicer exhaust tone and appearance, which is what I got.