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TrailblazerSS
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Discussion Starter #1
Hey guys! I picked up this box from a forum member and from what I can tell the factory insturctions mention using poly fill. I currently do not have any in mine, should I add some? If so how much? I really don't know much about sub's, this is my first install....

Thanks!!
 

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TrailblazerSS
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poly fill makes the sub believe its in a bigger enclosure, you will see a performance gain. There was something on kickers website, in the building a custom box area that explained the poly fill.
 

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Discussion Starter #3
I added roughly 2oz this weekend to the q-logic box being that I needed to simulate only .1 cubic feet of additional volume to meet the ideal volume per the specs for my sub. I can say that it for sure made a difference! Nice mod for only $3.99 at my local Micheal's.

Does it make a difference how the polyfill is placed? I spread it around as evenly as possible, but didn't do anything to stick it to the walls are anything like that.
 
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