Thanks for the reply! In addition to the cat itself, is there anything else I would need to order? I know there are a couple of sealing rings, but how about things like bolts or clamps? Is there an official M-B kit for these or is it just off the shelf hardware?

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"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles