the only hard part was stuffing all the wires behind the head unit. Other then that the vss wire and reverse wires were very easy to find and getting the unit to sit right in the opening was not as easy as i thought but in the end the new double din kit scosche makes made that process easy.
If i get my new car im getting the avn 6610bt
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A6 was traded in, now i drive a 2003 tl-s.
35% tint
Polk Momo 6.5 inch components
Polk Momo 6.5 inch coaxials
Polk Momo c400.4 amp
Polk Momo c500.1 amp
10" Alpine type R sub
Viper 5900sst alarm/remote start
Avic d3 XM/Traffic/Bluetooth/HD RADIO
Im still on audiworld more times in a day then i am on acura forums in a week