OEM nav is also hardwired to the climate control, ambient lighting, and other vital systems in the car. Doing a retrofit, while certainly possible, will be a royal PITA and you'd probably end up spending around 3-4k after all is said and done.
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F.I. TT Kit -- GT2860RS [500rwhp/449ft-lbs @ 9psi][/B][/I] CAR SOLD...
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