I ran a Basslink for about 6 months until I fab'd my own setup. I was not that disappointed with the Basslink. However I do agree with dkl - it is a bit muddy.
I found that I used the cargo area quite a bit, so space was at a premium. The system I have now does a pretty good job so I'm satisfied.
Here is my ZC stealth setup:
http://www.xoutpost.com/x5-e53-forum/...installed.html
