As far as I know my car has been retrofitted to the catalyst. I was told they look exactly the same (catalyst and trap ox). It is indeed between the exhaust manifold and turbo. Maybe I'll pull a part number and see. Is there a website where I can punch in a MB part number and get a description?

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R