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Where does the catalytic converter come from for the aftermarket catted header? Is it stock? Is it as functional as OEM?
I might like sports cars but that doesn't mean I hate the environment. I do have interest in a cat that still functions as opposed to one that's "just there for the california police."
I've owned 9 vehicles and none of them had the catalytic converter in their the header (mostly Hondas), so I'm confused about how this works and the costs involved.
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