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Re: is 3500ppm nox precat on a 97 cavalier too high?
Posted to Emissions Forum on 4/30/2004

Essentially, yes.

And - I think that Kevin's caveats are probably in order too.

And, I think that folks should either trust your judgement (as you have probably run a comparative test of drilling the hole or cooling the CAT), or run their own test to confi... Login to read more.