//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gifMy non-expert suggestion would be to make the intended port a part of the box if you need it for the volume sake and have a slot port that fired to the passenger side.
Is the box already built? If not an alteration of plans is another decision that can be made, right?//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gifport place ment is already decided //content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif