They seem to work well enough Drew.
The local squirrels are not fussed on them though.
Deffo not trying to convert the masses mate. Just giving honest feedback of my experiences, good, bad, or indifferent.
Certainly want to try the now available converters to go the OEM route or even another material that performs equal or better from here on though. I'm sure that some of these old classics can be improved by them but obviously with springers you can't always take that as read!!