TheTransplant
New Member
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I am finally getting around to upgrading the stereo on my 2018 GT. It is the Harmon Kardon system, which isn't great. I have an installer and we are doing the research. This will likely involve adding a processor behind the head unit to take the audio feed and run it to new amps and speakers. I am just starting to do the research on this and would be curious if anyone else has done this and any pitfalls they ran into? Thanks.