From what I've read, it blows away the OEM system. And I didn't have to cut one wire or trim anything nor change the amp - it plugged right in.
I did, however, lose the rear seat controls....but I sit in front
Z1's and Z2's are software upgradable to the Z3 - the software is "available".
Just a thought, you might want to think about aftermarket.
-Dave
05h2sut...how did you get it for $500??..i paid $3000 new for mine
scott j.
2008 h2 sut
2008 escalade
1969 charger
http://www.avic411.com/forum/
Check here for the upgrades/updates. Relatively easy, lots of helpful tips.
-Dave
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