What is the significance of the shape of the "cigar hose"?
It is a little strange to me that one would want to transition from such a small diameter, to the varying cigar hose, then BACK into a very small diameter.

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Current: '91 300TE 4MATIC 317k and climbing...
Former:
'81 300TD Wagon 168K "Tank"
'83 240D 216K 4spd manual "Da Bear" (aka best car ever)

"Never sweat the petty things...
and never pet the sweaty things."