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First tell me where those two O2 sensors are located. My '96 has two as well- one in the manifold where the four exhaust pipes join as one, and one just behind the catelytic (we grafted it on to simulate my original setup).
If you have something like this, I don't see why you couldn't do exactly what I did or anything close to it. Axe can probably help you position the O2 sensor locations, and after that just about anything cat/muffler setup can be done under there.


On the 1998 and newer there is one O2 sensor in the same spot as the 1996. On the exhaust manifold. The second O2 sensor is AFTER the first cat on the exhaust pipe. After that is the second cat.

1998 Sportage - Gone.
2004 Honda Civic Coupe.
2007 Suzuki Grand Vitara - She got it.