Yes, Country Homes Campers used to when they were still doing Vanagon poptop conversions San Jose, CA. It's not Jerry who has the molds in NY now. Anyway, they just block the tube and install vents. There are no mechanical pieces in the front of the tubes besides the electrical switches.

BenT

sent from my electronic leash

On May 14, 2011, at 8:37 PM, "Steve Drier." <Vanvw1@AOL.COM> wrote:

> I want to install a sunroof in my 91 Carat.
> 
> In that connection I would like to terminate the A/C tunnel and  housing
> above the back bench seat/bed leaving the area over the front seats  for the
> sunroof. I live in the pacific nw so A/C is not a must and I still will  have
> enough flow to cool the van down.
> 
> My question is has anybody done or seen this type of modification.
> 
> Steve