Boost guage in heater vent

[DsM KiD4]

How are you suppose to run a vaccum line to the heater vent? i have a dual guage bezel i bought from extremepsi.com and im tryin to get my boost guage there. I have my dashboard completly apart i just dont see a way to do it. Please help, thanks in advance!

 

[Teflon]

Since it doesn't look like you are using your heater drill a hole in the bottom of the ducts behind the vent and run it down. As to getting the line into your engine there is a nice 6 inch bare place to the right of your steering column I drilled through (If you have a 2g atleast)