tag also… I want to order for my escort tournament speaker adapter for 165mm but I would like to know before how the maximum installation depth would be to know if the story would be worthwhile… and no matter where I look I just can’t find any data about it so I hope to have some experience… this is this adapter http://www.xxlaudio.de/_py_Article view/a-45/ReferrerIDQ10.html thank you in advance.. mfg markus