CDT speakers usually recommend an infinite baffle installation, at most a sealed installation.
i would not vent them unless you really know what the hell you are doing.
What if he was to completely seal the rest of the door. Then vent the pods into the door with a 3"-4" hole in the rear of the pods. Wouldn't he still get the effects of an IB install ? //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif