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I am looking for any suggestions on upgrading the stereo system in my 2013 grand cherokee alpine edition it has the harmon kardon 19 system in it anybody out there system yet
Depends on what kind of improvement you're looking for. You can start by wrapping and stiffening the sub enclosure then changing out the speakers.I am looking for any suggestions on upgrading the stereo system in my 2013 grand cherokee alpine edition it has the harmon kardon 19 system in it anybody out there system yet