Can anyone give me some feedback on the dc headers? Im most likly going to be getting them for my 2003 GT. How do they fit? My tib already had an exhaust on when i bought it, the only problem is the piping has no labeling or anythjng so i dont know what brand it is. I saw the DC headers have the o2 bunges but it didnt look like they have all 4 like the stock manifolds do. If they dont have all 4 what do i do with the other 2 sensors? Wont thay throw an engine code. And my last question is can i still use the existing cat i have with these headers and put it at the end of the y pipe where the test pipe goes
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