Do I need to upgrade my alternator with this system?


Bronze Member
Username: Masse1369

Post Number: 14
Registered: Apr-05
Here is the system im getting ready to install in my 2004 GMC Yukon:

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?
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