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Bronze Member Username: Masse1369Post Number: 14 Registered: Apr-05 | Here is the system im getting ready to install in my 2004 GMC Yukon: https://www.ecoustics.com/electronics/forum/car-audio/133572.html I am going to add an optima yellow top battery, but i dont think that i need to upgrade my alternator to an HO one. What do you all think? if i were to, would it sound significantly better? |