This 2006 Range Rover Sport came in with a busted factory Navi. Land Rover wanted over $3k to replace it. For a little more we put in a Pioneer z140bt, Hertz HDP5, Audison Voce 6.5 components, Hertz Energy 6.5 components and a 10" Energy sub in custom ported box.
After a lot of research we found that there weren't any aftermarket install kits and very few full installs on this car. This actually made the project more interesting to us. So one of the first things we did was to pull out stock head unit and begin to fab a new trim piece. We had to put the aftermarket unit below where the stock head unit was so the open space got a custom pocket.
Moving over to the doors. We took of the door panels and stripped the doors down to metal. We then added plenty of dynamat xtreme and installed Voce 6.5 mids with the tweeters. Paco made these doors into solid speaker enclosures.
We found room for the Hertz HDP5 5 channel amp under the passenger side seat. It looks like Land Rover made this space for us. Of course that was after Brandon did some surgery to make things fit.
And last but not least we get to the subwoofer. We started by doing some simulation on the speaker sizes and tuning using WinIsd. This is a great way to experiment with enclosure size and port tuning to estimate the response. We ended up with an enclosure that was 1.2 cubic feet and a port tuned to 38hz. This thing sounds great with all kinds of music.
Of course our last step was to grab out Autosound 2000 disc and o-scope to help us set all the gains and tune everything in.