In a previous thread I explained how I installed a subwoofer amp and a separated subwoofer to my DSP audio system.
Here is the previous thread:
http://www.xoutpost.com/showthread.php?t=5912
This time I went a step further and integrated a Jansen 10" sub in place of the stock 6" subs. I reused the stock enclosure in which I cut a hole to fit the 10" sub. As you can see in the pics below the result is pretty nice and neat and the sound is excellent.