building my first truck box need some advice

[gore666]

i have a 99 crew cab chevy. im trying to build a box to fit behind my rear seat

for room i have 62 inches wide 17 tall 8 inches at the top and 10.5 inches at the bottom.

thats maxed. i get 4.2 cubed feet before speakers. i plan on doing four tens

i can add a 5 by 8 channel on top but not sure if it would benefit my sound

well was guna post a pic of a rough outline of the box but guess i can due to this being my first post lol

the speakers i want to put in the box are alpine type r 1043ds x4 required air space is .8-1.5 for a ported box. im in that range just not sure where i would put the port. just trying to get a rough idea before i pay to have a design made

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[Dre20xl 10+ year member]

might b a lil hard to port 4 of those with only 4.2cu. all together the sub displacement is .22 and with the smallest ported box you have 3.42cu. that leaves you wit .78 to build your port

 

[SicAudio 5,000+ posts]

and dont forget the mounting depth of the subs... gonna be tight to make em fit..