I got my Stack boost gauge today. It's an electrical one and it came with a map sensor unit. It never came with any vac pipe, but I am not sure if I need a little bit to join it up to my map sensor thing, or can I use the vac pipe the car already has? Cheers

Instructions:
Picture of my instructions below in the link

http://www.z22se.co.uk/forum/downloa...hp?id=3938&t=1