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extended cab sub box help


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i have a 2011 chevy silvarado extended cab and wonna do a sub setup under the back seat. I have about 1.42 gross my main question is do i do sub up port to the side or two downfire sealed or somthing different id rather not fire the subs foward but if its the best way i will. Any input would be great if i do the downfire sealed it will be .71 perside so probbly do 10s if i do one sub up ported it will probbly be a 12 unless you guys think i should do somthing different will be doing about a 1k watt single sub or two 500 watt dual subs let me know any input or possiblites thanks!

"SilveradoGoesBang"

http://www.stevemeadedesigns.com/board/topic/155256-silveradogoesbang-box-done-take-notes-on-bracing/

2 FI BTL 18's

CT Sounds 7k

2013 MidwestSPL Finals Xtreme 3 - 1st Place

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ps also had somone tell me that three 8s in a downfire box sealed with all 3 subs on one side any input on that would be good also

"SilveradoGoesBang"

http://www.stevemeadedesigns.com/board/topic/155256-silveradogoesbang-box-done-take-notes-on-bracing/

2 FI BTL 18's

CT Sounds 7k

2013 MidwestSPL Finals Xtreme 3 - 1st Place

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3 8"s ported subs forward port to side

What 8s would u reccomend with 1.4 cubes?

"SilveradoGoesBang"

http://www.stevemeadedesigns.com/board/topic/155256-silveradogoesbang-box-done-take-notes-on-bracing/

2 FI BTL 18's

CT Sounds 7k

2013 MidwestSPL Finals Xtreme 3 - 1st Place

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Sundown sa-8s if you have 1.4 cubes after displacement .7 per sub would be great and theyre awesome monster 8s. I put 2 in a friends ext cab chevy subs forward port driver side with .8 cubes each on a kicker 1000 they sound great

Edit:spelling

Edited by lifted_silverado

Everythings in the attic or garage since the truck was sold last year. New build should be coming soon in a dodge cummins smile.gif

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Sundown sa-8s if you have 1.4 cubes after displacement .7 per sub would be great and theyre awesome monster 8s. I put 2 in a friends ext cab chevy subs forward port driver side with .8 cubes each on a kicker 1000 they sound great

Edit:spelling

Did u do both subs on the same side or one on each side?

"SilveradoGoesBang"

http://www.stevemeadedesigns.com/board/topic/155256-silveradogoesbang-box-done-take-notes-on-bracing/

2 FI BTL 18's

CT Sounds 7k

2013 MidwestSPL Finals Xtreme 3 - 1st Place

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