Stealth Sub v2
 

First off, thanks Mike for selling me your sub and your styrofoam trunk floor pieces to make this happen. I did not use any of your mounts or anything. I don't know if the NISMO is different but everything fit PERFECTLY and was very snug and won't move or rattle. The sub provides a decent amount of bass. Equivalent to a high powered system that would come in a higher end system in a stock vehicle these days. Nothing big. It's just a simple good amount of bass that is clear and makes the whole system balanced. Though at times I wish it had more juice to it. But seeing that it is this small, I couldn't ask for more.

http://s3.amazonaws.com/twitpic/phot...lBPY7UeECoE%3D

If its not showing, heres the link.
http://twitpic.com/5lqzgw

Glad you like it. The mounts were overkill, but I track mine so everything had to be extra secure

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Linky broke. No worky. :(

What stock system do you have anyways?

This receiver:
JVC KW-XR610 CD receiver at Crutchfield.com

Polk Components 6 1/2's and tweeters. XM radio, and steering wheel controls.