Quote:
Originally Posted by Megahurtz
The Green Cats are supposed to allow cars to pass emission tests if you have state testing. I imagine a side affect would be the benefits you listed as well. But according to the literature its primary purpose was to pass emissions where other high flow cat options will not.
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The green cats wont pass in california either. If you touch the cats at all it will fail the visual inspection. Im more concerned with having the check engine light on. I can switch the headers back in 5 years for smog if I need to.