These are not direct replacement but rather universal, but that shouldn't matter...a good muffler shop could do the swap quite painlessly...try random technology. They make direct replacement, but not for Mercedes but the universal is there for that. I think all timevalve sells is OEM copy in stainless so I doubt you would get any more flow with one of those. But the random technology claims to be the highest flowing best engineered cats and they are stainless too. They cost around $225 though. I would give them a call so you get the right one for your application. They really seem to know what they are talking about. If you get one, tell me how it works. www.randomtechnology.com

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'86 420SE Euro
904 Midnight Blue, Gray Velour
Dad bought it new, now I own it.

"A Mercedes-Benz is like a fine wine, it only gets better with age."