Contour Enthusiasts Group Archives Forums Modifications Duratec Performance mystery mod

Originally posted by DirtySVT:

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Now, for a real answer. If you want to gut your cat. then you don't want to just gut it. You want to put a test pipe in its place, meaning just a straight piece of exhaust piping in its place. You could crack open the cat. and put it inside the cat. and weld it back together for a stock appearance.

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1st off are you talking about the main cat or the pre-cats because they are different. if you are talking about the manin cat then ok. If not then the pre-cats will loose there stock look because they have no welds. 2nd if you do this to the pre-cats i can't see how it would help unless you have a prooven flow chart for this because i can't think of anyone dputting a straight pipe inside the pre-cats.

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1st off not every contour is a duratec.

obsidian::: LISTEN: you have one cat. that's it. no precats. you have a catalytic convertor, it attaches to the exhaust manifold. It's in front of the engine, THAT IS IT.