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[bigaudiofanatic]

Originally Posted by seustace

Thought you might have a perspective on this...I have a 2004 Land Cruiser and am about to embark on a replacement of all audio components and speakers except for the head unit as it is integrated with the nav system.

I have been told by someone that there is no way to upgrade the system as you cannot replace or bypass the factory amp because of its importance to the integrated system. It was my understanding that I could use a factory integration unit along with a new amp just fine, but I don't want to go out and buy everything if that's not the case. There does not appear to be a way to bypass the factory amp (best as I could tell from my research) and I don't want to remove it if doing so is going to shut down my integrated nav system.

Does you happen to have a perspective on 1) if what I was told about not being able to upgrade the system is actually true, and 2) if false, you have any experience with this or similar installs?

Appreciate your feedback.

I apologize for the wait. Yes you can do a full system upgrade but you can not replace your head unit. You will need to sue something like the JL clean sweep to allow you to add on amps and all at the same time using your factory head unit. If you need more info on thie just let me know. The pics I am about to post of the accord install I didi I had to do one it took me a few hours but I got it.