Hey everyone, I have a 2006 Mountaineer v8 and I want to build a custom exhaust system. I am at school right now but want to start designing the system now, and need to know the pipe size. I believe it might be a 2.5 inch but can someone clarify? Also any suggestions on what to do for best fuel efficiency and power would be great!
without headers. I want to run a catback exhaust from where the two individual pipes meet up into one. So i wanted to know the size of that single pipe going all the way out the back. The manifolds and original cats will stay.
Thank you. I know about the job ahead, I have done a lot of work like this before and will not have much trouble, hopefully. Any other improvements that I can make to the car to make it more efficient/ powerful?
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