Inner diameter of stock BPV tubing

[jersey_emt]

I'm installing my Spool hardpipes onto a local member's car tomorrow, but I can't find the 'extension' tube for the stock BPV (dual setup GReddy Type-S and stock BPV). What size tubing goes to the inlet & outlet of the stock BPV?

Can't go out and measure myself ;)

[jersey_emt]

Bump this is important...I need to pick up a piece of tubing before tomorrow.

[terbow]

3/4" heater hose worked fo me

[terbow]

I just double checked the stock one is 3/4" ID

[jersey_emt]

Thanks :) :)