Guys, Does anyone have a photo of the "airhorn" at the base of the JWT pop charger (preferably with the filter removed)?

Or a description of it and how it works?

Apparently this helps a lot with the CAI....

This dude made his own:

http://www.sr20forum.com/showthread.php?t=71197&highlight=homemade+pop+charger

It looks like the pics in this thread, only it is fabricated from CNC-machined aluminum