firing sub up in trunk car, what you guys think?

in my friends cavy we switched from sub back port back to sub up port back and it was noticeabley louder. this could have been because of a better built box though

 
did you put some deadner on your trunk lid and stuff?
The trunk lid weighs about 3-4 times the stock trunk lid weighs...one layer of dynamat extreme, all voids filled with expanding foam, then a thick coat of spectrum sludge //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
mine are more under the deck, rather than the lid itself
http://img17.imageshack.us/img17/3671/picture360.jpg

John
alright thanks

The trunk lid weighs about 3-4 times the stock trunk lid weighs...one layer of dynamat extreme, all voids filled with expanding foam, then a thick coat of spectrum sludge //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
oh nice. im going to buy the second skin trunk pack and do a couple layers on the trunk lid and rear deck and see what happens.

 
The trunk lid weighs about 3-4 times the stock trunk lid weighs...one layer of dynamat extreme, all voids filled with expanding foam, then a thick coat of spectrum sludge //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Sounds like my lid.//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif Great minds do think alike!//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

Does it have to be 15's? Why not something smaller:p:

 
Sounds like my lid.//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif Great minds do think alike!//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif
Does it have to be 15's? Why not something smaller:p:
well not necessarily, but one 15 is cheaper then 2 12s. i want to go with a 15 inch omega on like 3k so so its saves me a little green, i can spend on a table saw to make a couple different boxes.

 
well not necessarily, but one 15 is cheaper then 2 12s. i want to go with a 15 inch omega on like 3k so so its saves me a little green, i can spend on a table saw to make a couple different boxes.
Makes sense.//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 
Makes sense.//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif
lol ya, i think 1 15 off 3k should be good..............................................for now //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 
i have fired up in a trunk car with high 40's with 15s. the trick is to fire up with the subs to the front of the box. seal it so the bass cant go behind the subs into the rear of the trunk. i had a port firing over the subs about 4" high by 25" just behind the subs.

 
i have fired up in a trunk car with high 40's with 15s. the trick is to fire up with the subs to the front of the box. seal it so the bass cant go behind the subs into the rear of the trunk. i had a port firing over the subs about 4" high by 25" just behind the subs.

wat...

 
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