Quote:
Originally Posted by tkosier
I've used the silicone tubing on my brake ducts - but the wire reinforcement is too stiff for the HVAC stuff - also, I can't seem to find anything with a 60 mm ID that is prevalent in the fresh air system.
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This is what I used with no issues. Bends nicely without kinking. It is
slightly over-sized, but easily remedied by the hose clamps:
SCEET AIRCRAFT DUCTING from Aircraft Spruce