Depending on the installer, you could get someone really good, or some hack who ends up messing up your car.
If you can work with hand tools, you can probably install it yourself. Order from Crutchfield: Car Audio, Home Theater, Speakers, LCD TV, Plasma TV and they send the wiring and stuff you need to install it yourself.
If you can work with hand tools, you can probably install it yourself. Order from Crutchfield: Car Audio, Home Theater, Speakers, LCD TV, Plasma TV and they send the wiring and stuff you need to install it yourself.