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Re: is 3500ppm nox precat on a 97 cavalier too high?
Posted to Emissions Forum on 4/15/2004 19 Replies

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Valuable...hardly.

Spray the hot cat, it won't hurt it. Just use your brain. And yes it keeps the cat from lighting. I have experimented with this on a few vehicles and it provides identical results... Login to read more.

19 Replies Received (View Replies)