Hi:
I've got two header sets for my 1972 C350F. Each of these header sets seem to show that cylinder exhaust ports are slightly angled toward the center line of the bike. In other words, ports 1 and 2 point slightly to the right (top view from sitting in rider's seat). And ports 3 and 4 point slightly to the left.
Am I seeing things, or did Honda really "toe in" the outboard headers a bit?
Respect, Don