.

The (summer) time has come to replace the heater ducting.. Can anyone advise where is the least expensive to buy this stuff from ?

..or perhaps someone has used none Citroen tube and found it both inexpensive and durable.

Thanks ;)

I always use Webasto caravan ring heater pipe..

and earplugs?

Something like this.. I use it more then 25 years

Please Ken write louder I can't here you..

As Ken is suggesting.
You will appreciate something that deadens the sound from my he engine bay.
No .... really .... trust me on this.

LPGO is wearing hearing protection when driving his 2CV !
https://www.youtube.com/watch?v=tQGglnT35c8

Thanks lpgo for the suggestion. I'll check it out.

noted absence of suggestions from those with a sense of humour

I've always found the cardboard/foam lined tubes, eg. from Staffordshire very good and long lasting if you fit them carefully, ie. trim them to get the tightest fit and support them with straps where necessary.
Some folks waterproof the outer cardboard.
The problem areas, on my 2CV anyway, are the exits from the heat exchangers which are very short.

If you're talking about the crappy cardboard tubes that go through the front inner wing and last 5 minutes in the wet, then try these more expensive but far superior rubber ones from ECAS. They are well worth paying the extra for.

https://www.ecas2cvparts.co.uk/heater-e ... e487451770