Quote:
Originally Posted by daepp
I think in CA now you are supposed to just use the oem part, but if my emissions are fine and the CEL is taken care of, why not go aftermarket?
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Never heard this. There is a huge aftermarket for cats, I'd look into that one some more. Just make sure that it's a good replacement part w/ the same or better flow (back pressure) than the original. I've seen a lousy aftermarket cat ruin the performance of an older Benz.
