I have this setup on my car now also...But I bought the flex tube from Rob after seeing it on his Green car. It's made of thick, flexible, ribbed plastic. It's long enough to connect from the air cleaner housing to the vent and it fits in like OEM...same fittings. Steve > I actually did this modification this week! > What I did was buy a piece of "Defroster Piping" inner Ø 70mm, > exactly the same as the original, only longer. > I used a 5cm (2") piece of pipe in the elbow to make the connection. > > As you can see at > > http://www.vdwouw.demon.nl/airintake.jpg