bass hits harder with my trunk open! WHY???

[Jskiles]

Most likely its not sealed off. You could take an air compressor and have someone spray it around where its seals off and you get in the car and see if you feel air. Or possibly try a flash light the same way it night.

[Kyblack76]

i will post some pics if someone will tell me how

http://www.stevemeadedesigns.com/board/topic/160056-how-to-post-pictures-on-the-forum-photobucket/

[matt6288]

im trying to upload pictures but it says that this site will not allow the file extension a lil help please

[zack_e89]

http://imgur.com/

[Carbon]

Because race car!

Seriously I have no clue.

[zack_e89]

Because race car!

Seriously I have no clue.

I love your posts Carbon

....because your sig is so cool hahah

[Miguels]

it is a sealed box

is your port firing into the cabin too or just the subs? if the port is facing the cabin, seal the box off from the trunk.. can you get photos?

they are not talking about the box. it means you have to seal the sound going to the back

[meade916]

the reason it does that is because it is cancelling out (when your trunk is shut). Bass is firing forward, then some of it is leaking backward through your leaky rear deck and the openings around the box itself. It travels backwards, hits the back of the car and then comes forward again but now its playing bass 180deg out of phase..basically reverse (to make it easier to explain). When you play a sound, and the same sound exactly the opposite, you get cancellation and the bass is reduced. Sorta like hooking up two subwoofers up out of phase, you know what i'm talking about? Anyway, When you open the trunk, the leaky bass is going backwards, and out of the car instead of bouncing back into the cabin.

This is why a car with a box aimed backwards typically sounds better then aimed forward (non properly anyway). Because the bass rolls off of the woofer and goes directly into the cabin, you get no cancellation. For a forward firing box to work properly, it needs to be sealed off from the trunk so no bass goes backwards at all, giving it no chance to cancel out.

[matt6288]

http://s1279.photobucket.com/user/mattsanctified/media/IMG_0345_zps25b0eed6.jpg.html?sort=3&o=6

you can click on the links and see what it is the above one is before the amp rack

http://s1279.photobucket.com/user/mattsanctified/media/IMG_0351_zps543cd77b.jpg.html?sort=3&o=4

this one is after the amp rack is put in (above)

http://s1279.photobucket.com/user/mattsanctified/media/IMG_0352_zpse2c36ff2.jpg.html?sort=3&o=3

and the above in is the front inside the cabin

[Swordlordboy1234]

Even though it may look sealed from your pictures with that beauty panel for your amps behind your sub box... Physics say its not. It literally is impossible to have it sealed off from the trunk and the bass get louder when you open the trunk lid.