04-08-2009, 03:15 AM
Spinal,Apr 6 2009, 04:31 PM Wrote:the duratec has 2 cats though in the manifold (which gets removed by the header) and then the secondary one thats a little further down. shouldn't that be enough? and if its not isnt there enough room to weld in a cat right after the flex? so afterwards theres 2 cats just like before.
[right][snapback]284422[/snapback][/right]
Thats what i did and the cat did not get hot enough to work properly. welded one in place of the stock cat, and it passed.
This was all on a zetec though, so may be different.