Has anyone ever used this part on their Webers?
I was thinking of this plus a silicone boot to a pipe running straight down to the ground. Looks like it would actually restrict airflow because the opening is too small.

http://www.ebay.com/itm/Weber-Progre...p2054897.l5676

http://www.siliconeintakes.com/180-s...180-p-667.html