Vaccum pipe size?

[Saaamon]

What size silcone vaccum hose should be used going to the turbo then in to the bcs etc?

Thanks, Simon.

[t5 pete]

I think its 4mm i/d

[Saaamon]

Nice one!

[AndysR]

Planning a stage one tune by any chance? Always a good idea to replace these if they are the originals as they are usually seriously perished :)