Twin O2 sensor question

[Shannen Durphey]

Chris Wilson wrote:
> 
> Hello EFI,
> 
> I am about to remove the 2 cats from my Supra twin turbo (1994) to
> alleviate any restriction, but I have a question. Currently, there is
> an O2 sender just after the 2 turbos join at a common outlet point,
> then a pre cat, then a bit of plain pipe, with what *appears* to be a
> second 02 sender, and about 2 feet further back, a second, main cat.
<snip>
> 
> Thanks, I'd better ask before cutting .... :-)
This is just a question.  Are you sure the second cat is really a
cat?  Some cars have a resonator installed after the converter.
Shannen
> 
> --
> 
> Best Regards,
>  Chris
> 
> mailto:chris at formula3.demon.co.uk
> 
> http://www.formula3.demon.co.uk
> 
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