Quote:
Originally Posted by axis
It all depends on what your state tests for. With a little searching or calling around, you can find out what your particular state requires. Personally, I wouldn't trust anyones answer from any board, concerning emissions. If you're that worried about it, you need to hear it from the source.
That being said, it's all in the tune. A good tune will pass all emissions except for visual (if you're running high flow cats), and possibly sniffer. It is illegal to physically move or remove a set of working cats, which is why they fail the visual test. I don't know for certain that high flow cats will fail a sniffer but common sense tells me they should.
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Why would a hi flow catalytic converter not pass emissions?
that's it's entire job and if it didn't work why would anyone buy them?
That would be like buying a Tablet with no CPU..
We ran high flow cats for years even on the sniffer down here and the all passed easily.
I would assume today's hi-flows are even better than those.
and at least down here the law will not fail you visually for replacing cats as long as they are there you are fine.
as you said most states are completely different.