1950-1968 PLUS 4 ORIGINAL EXHAUST
Noting much to say aside from an excellent original system for any car manufacturer. No wonder they never changed it! A keeper! It is easy to see why the Plus 4 made Morgan's reputation. Easy to HFS's influence unless we owe its design to our Triumph cousins.
My only analaysis here would be that the manifolds and twin pipe be
ceramacoated..assiming they haven;t rusted away by now. If this is done
after sandblasting, inside and out, and then ceramacoated inside and out as
well. I would change the silencer, tailpipe, fittings all to stainless.
1988-1993 PERFORMANCE SYSTEM
Once again, nothing but good things to say. Aside
from the retention of the dubious rubber doughnut at the end (EF222,
EF220, EF084) I would only suggest that the manifolds and the downpipe
be ceramacoated. They will flow faster (and hey!) they have discoloured the first time you used them anyway.
I will forgive the flexpipe as it is so short.