Catalytic converter location in 3B ES/2 conversion

Bernie Benz b.benz at
Thu Apr 22 21:08:18 EDT 2004

> From: "Mark Suttner" <MSuttner at>
> My son Andy is performing a Coupe ES/2 3B conversion.  It will have a 3"
> exhaust system and we want to keep the catalytic converter.  He has looked
> to find a high flow 3" catalytic converter in the correct size to fit the
> factory location which is shoe horned between the transmission and the body
> but found nothing so far.  We are wondering since he plans to delete the
> front or first muffler anyway if it is possible to locate the cat just
> before the rear axel where the first muffler used to be?  There is plenty of
> space there the only question would be will this location allow the cat to
> do its job effectively?
Bigger is better?  No good reason for 3" piping for a 2.2L engine.  Stick
with the stock stuff, which is adequate for a larger displacement engine.

> Thanks
> Mark

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