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Alright, so i notice when my windows are down the lows sounds significantly louder/clearer. I usually have the sunroof open, the two front windows and sometimes the back. With my one 12 the roof flexs hardcore on those low notes cuz i adjusted the amp and ect. I no it has to do with air space and movement. I was wondering if i got a ported box would it sound like that all the time, and when i do open the windows would it be even better?

2003 Pontiac Vibe Dark Red

18" Motegi MR-7's

2 Alpine Type-R 6.5" Coaxial Speakers on the front doors

Alpine CDA Head Unit w/IPod Cable

Alpine V-Power mono mr650

12" Alpine Type-R(2 Ohm) Subwoofer

Dynamat in the trunk with the liscense plate and,

2 Stock tweaters in the front, with the stock speakers in the back seats

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yes in a ported box depending on how low u tune it the lows would be louder and it would get alittle more louder with the windows down and the back seats down

the only person i wouldnt let build my box would be Ray.

Team Heavy-Flex4 SA 12's tuned to 29hz

Ampere Audio 3800.1 @ 1 ohmXS Power D3100Big 3Stock alt

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ported is gonna be louder.

but you'll always get a db or two louder with the windows down or cracked.

there are some freak installs that get louder sealed though.

what size is your box? i'm assuming the pic in your avatar is your sub, so with that, you'll gain a lot by building a bigger ported box because that is one small box.

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i've got a hatch and i personally like a my ported box on the driver side facing the passenger side fender. sounds the loudest and cleanest to me.

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yea my box is ported and when i open my window(s) the lows are much louder.

i think its got something to do with sound wave cancellation, the sound waves breaking themselves when they hit the windows?

'99 Civic hatch

18" AA Chaos - 7cuft @ 34hz - 114sq in. port

Mac Audio Fearless ~ 1000wrms @ 2 Ohms

Videos:

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yea my box is ported and when i open my window(s) the lows are much louder.

i think its got something to do with sound wave cancellation, the sound waves breaking themselves when they hit the windows?

More the fact that your car is acting like a huge enclosure itself, when you open the window you are essentially changing your car from a sealed box to a ported.

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