I kno its probably been asked but I've looked all over. Can you get a 12" sub behind the seat in a 03 crew cab. I know there's plenty of boxes for under the seats but I don't like the idea of it facing down ward just incase of something getting under it and piercing the sub. ( I use under my seats for storage also.) If anyone has this set up please tell me how you did it. I kno you can do it i see them on youtube. But they never said how they did it. I have a truck box by kicker for a 12" but its just barely small. I was thinking about cutting away the plastic in the back just too give it a little bit more room but wasn't sure if it would work or not still. If you have this set up please send dimensions of your box to see if mine will work. :beavisnbutthead: