Hi all, I have completed my Phatnoise audio system install in my S4. It fits like a glove in the B5 S4's CD changer position (at least it does in the sedan), and works great. See my S4 page for some pics (description at top of page, 3 photos at bottom): http://www.amb.org/ti/audi/autiq-2.html -Ti -- Ti Kan http://www.amb.org/ti Vorsprung durch Technik