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Ok, this is my current bass set up in my 03 Civic EX. 1 DC Audio Level 5 12in sub in ported box powered by a 3000 watt SPL amp which is hooked up to a 2400 watt Kinetik battery.



My goal is to have loud bass but as little 'rattle' as possible. I just dynamated the trunk but the dynamat does not help the rattle comeing from the trunk latch. Standing outside of the car, I still hear tons of rattle.
So I came up with an idea similar to this. Except without the leather slide and plexi glass over the sub to protect the sub when I have backseat passengers.



I got this priced yesterday and the guys told me it would cost about $600-$800.
Do you guys think this would increase the bass inside the car and eliminate most of the rattle? What do you guys think of this idea? If anyone has anything similar or seat deletes please post a pic!!

Thanks in advance!

 
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Here is a pic of the back seat, the sub would go about 4inches above the basketball.

 
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Can you isolate the rattle?
I didnt dynomat my trunk yet, but I got rid of most of the rattles

Btw, MDF trunk floorboards + dynomatting your spare tire well helps too.

Ps. How do you like the DC Audio sub? I hear they're really good.

 
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Yes, the DC sub is amazing! I can get mad window flex if I try from just the one 12!

 
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Anyway.. What do you guys think of the idea of building my sub into the backseat?

 
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What do you guys think of this idea?

 
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I say go for it

Its a lot of custom fabrication, but hell,
if you have the money and time, its a good idea