Car audio battery and alternator help

[Ryancoats]

I have a 2008 Dodge Ram 1500 and have a aftermarket system in there pushing around 4500 watts running on a auto zone duralast battery and a stock alternator. What do y'all suggest I should do to get the most power out of it? Please give me yalls suggestions and opinions thanks

[colemanyoungerinalaska]

if your running a real 4500 watts id get ahold of excessive amperage and get a 270 or 300 amp alternator then get 2 group 31 agm batteries to add in the back near the amp