Quote:
Originally Posted by Mike D
Huh! That's a new one on me. I've never seen the semi "H" pipe on any M110 I've ever worked on. Could it be specific to the "E" engines?
My '73 280's didn't have it and neither does my '74 280C.
The picture doesn't show but do the two header pipes merge into a single muffler inlet or do they continue back as dual exhaust?
The use of a "H" pipe is usually to compensate for the differing length of exhaust but I don't see how much effect on back pressure the placement of this would accomplish.
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The set in the pic is for a W116, and is listed for both 280S and 280SE.
Both '73 280Cs (Calif.) that I had were so equipped. A '75 280C with a catalyst & single pipe obviously was not.
Since the pipe set shown is for a S-car a dual system goes all the way.
In the M110 FSM Group 49 are drawings of the exhaust systems for 107, 116, 123, and 126. The venturi pair is shown in all of them.