Good news 20v jtdm owners (not 159)
I contacted samco as nobody does a silicon replacement upper ic to intake hose. Samco asked some details and are going to produce an upper and lower 20v specific hose. I am sending them a set of rubber originals for them to be modelled on (lower hose does not need detour as no bolt on gearbox issue).
Samco are going to send me back 1st set of hoses free of charge (bonus). Of which i'll post pictures, details etc as I install them.
Will keep you all posted
John