Join Date: Feb 2010
Location: Swartz Creek, MI
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So your looking for a turbo back with CAT straight pipe? If that is indeed the case I have never heard of such a thing. Maybe a CAT back straight pipe, but every turbo back exhaust (whether with or without a muffler) I have heard of does not include a cat but rather a means to keep your existing cat. Kind of a waste if you ask me because if you have a 4in down pipe then constrict the piping back to 3.5 in then open it back up after the cat to 4in you are defeating the purpose of the 4in exhaust IMO. However, I do know that xtremediesel use to sell replacement CATs in 3.5, 4, and 5in diameters. I dont remember how much they were but if you have to keep the cat then this is what I would do. I would go with the 4in or 5in turbo back exhaust and just get a CAT for that diameter piping. I know it would be more but if you are ok with that then great. Hope this helps.
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
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