i have a 1991 mercedes 300e and i am in need of help regarding the catalytic and finding a replacement.
it seems to me its is about 2 feet long and 6 in wide with 2 pipes in and 2 pipes out.
the ones i find are one pipe in and 2 pipes out. i looked on parts geek and called around local suppliers.

should i use an universal cat and just make it fit?
there are some part numbers in some of the pictures.

the flanges on to the resonator pipe are shot but i have a new resonator pipe