Why not put a want to buy add in classified, lots of people have an old long tube from doing a conversion to bottle I'm in washington also, north of Seattle and have said long tube from my avenger :>) DM me
The main reason they only have a 15 year life cycle in the US is because of hydro testing CF tanks taking them to 7500 psi with water cracks some of the fibres and after three test's they start to fail. CF tanks should only be tested with Acoustic Wave machines.