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GMT900 Bose Premium Amp to Luxury Amp Upgrade
I just successfully upgraded my Bose Premium Amp to a Luxury Amp on my 2008 Suburban LTZ and wanted to share what I did. Yes, this upgrade can be done and it sounds so much better than the wimpy Premium Amp! First of all, many thanks to Ben for his GMT800 Upgrade thread “DYI Lux Nav Install” on...- Reebok59
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- Forum: Audio & Electronics
