I've only ever built or bought a box with an Aero port. Since I've been looking at installing a new system I thought might try something new and go with a slotted port. I'm not sure what the advantages or disadvantages of using the slot port are. I've only "heard" they are a more "boomy" in their exhaust of air hence creating more spl? I know I'm probably wrong, but that's okay, that's why I am asking this question. Not sure of the benefit or if there is one, I'm sure there has to be or why not just keep using traditional aero ports, right? I do understand turbulence, port noise, friction, so those things we'll say aren't factored in-maybe they're not, I don't know. I'm not talking about a 4th or 6th order box, just a normal box with a slot port in it. I'm sure there is some debate about this and I'd like to see what's out there about this topic. This is all to help me build/buy a new box. Not sure what variables all go into the decision between the two or if the actual speaker is part of that. Let's say if need be for example sake without manufacturer preference, you have a quality 12" subwoofer that isn't really biased between spl or sq, a $250 dollar offering, you have the space for the box and it will be rear firing in a suv, that's all the information you get on this one. Have fun with it, I'm looking forward to seeing this debate/discussion.