Quote Originally Posted by aDg3 View Post
Arrgh. Speaking from experience?

I've been put off by it now, probably won't do it anymore.
I spoke to VW, said generally it won't void your warranty, but as others said, if it somehow damages the electrical parts I'm screwed. Best not to take that risk now.

Has anyone had the sound system modified? Sub? Amp? Any experiences you'd like to share?
Search VWortex back 2005/06: one guy ordered Bremen MP74 system to be installed by a dealer, around $2K, and perhaps it was the best sound option.
You will need to glue sound dumpers on all internal metal surfaces inside your door otherwise it will rattle everywhere. I won't modify it, though my warranty is over, I just don't want to loose steering wheel controls.