You might want to call Streetnoyz in the Sports Arena area. They are ahigh end shop that does custom interiors etc on exotics. They did a shit ton of audio work on one of my previous cars. Not cheap, but I recommend them hands down.
2011 X5 Sport
Black Sapphire w/ Black Perforated Nevada/ DK Bmboo
Technology/ Vented Seats/ Cold & Convenience / Multi Contour seats/ 20" wheels and more...
2004 Mustang GT Vert. - Modded