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I have a 2001 Expedition with the premium sound system with a amp and
subwoofer. My question is has anyone ever replaced this factory amplifer and installed a aftermarket one in its place while retaining
the factory head unit. If so, how did you do it and which wires did you use from the factory amp plug.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
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