I.d of matrix pipes

[TrixNFlix]

Does anyone know off their head the internal diameter of the heater matrix pipes. Thanks andy

[modfather]

i got some in the attic i will go messure for you m8

[TrixNFlix]

Thanks Rob. :)

[modfather]

i make it 17mm internal diameter :agree:

[Os8472]

i make it 17mm internal diameter :agree:

Interesting I made it 19mm when I was measuring up for ally tube

[Matt Cole]

19mm ID