Hello all. I just got a quote from an avionics shop for a G5 AI installation where the quoted install time was 10-12 hours. After browsing several forums I've seen many people say the installation for a G5 AI connected to a GNS430W and second G5 was 4-6 hours on average. Did I just get a high quote? If so, what it be impossible to just install it myself with a friend? We are both mostly competent. Edit: This is a AI ONLY installation.