Suggestions for Audio Upgrade/Cost 2025 GMC Sierra 2500 HD

[MasonMan357]

Has anyone upgrades the audio system if so do you have a list of the parts used to upgrade and the cost?

 

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[john151ama]

Do some key word searches on here. A number of us have done right ups on this topic and full system upgrades or rebuilds.

I replaced every speaker in my AT4x, amps with DSP, 10” sub. Lots of good threads on those here.