On our side of the pond, there are many places that have aftermarket cats for our cars. I don't know 100 percent, but do you have emissions testing???

I wouldn't buy the new cats, and run a straight pipe, as my friend works at a smog shop, and we just stick another car up there when I have to smog the bohemoth. A good muffler shop could possibly source a new set of aftermarket cats for your car. I would call around and see if any of them could help you out.

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.