2003 silgle cab sierra..

[jeremy.vaughn 10+ year member]

hey guys i need help desighning a box to fit 2 memphis 12'' subs in my single cab truck... but it needs to fit behind the seat.

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[MTXman 10+ year member]

You're going to need to provide multiple dimensions before anyone can help you design an enclosure for your truck.

 

[ltr450racer690 10+ year member]

http://www.subthump.com has one of the nices boxes i have seen, i had one and well worth the money and built very well