2009 Factory Nav
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Senior User
Joined: Jan 2005
Posts: 416
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From: Pittsburgh, PA
2009 Factory Nav
Is it true the 09 F250 Nav unit uses and external aplifiers for the speakers and sub? If so how hard is it to replace with an aftermarket amp and of course speakers? I want to keep the factory Nav for the Sync function. I was just going to deal with the factory speakers. But now that I was told it has an external amp, I may have to upgrade the amp and speakers if its easy enough. tHanks
