Help with a box in a extended cab

[BryanDowdy]

I have a F-150 extended cab that I'm putting in three 15s. I'm trying to come up with a box design. If any one has pictures of boxes in extended cabs that take up the whole rear cab please post them. Thanks

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[TrlcKed_OuT 10+ year member]

dude i myself have that truck and i wanted to go that route but didnt want to lose all the seat...2 suggestions...raise the seat like 4-5 in and u should be able to fit em....if not i can draw u a design my buddy has for like 4 10s but u could do the same only 3 15s....

 

[BryanDowdy]

Thanks for the post. But I dont think there's anyway to fit three 15s in a ported box under the seat. I bought the extended cab instead of crew cab for the reason of taking the seats out for subs.