Rep Power: 0

I have an 08 civic si and I need to upgrade my stock alternator for aftermarket sound system. I am installing coaxl set of kicker at 125 RMS and kicker component at125 RMS with a 10" kicker sub at 350 RMS. I also have a 3700 watt 5ch amp. I several accessories that I have added to the car in including constant power usb charging ports an dual dashcam with park mode and hardwired. Upgrade battery to Optima yellow top but still need to a better alternator. Any suggestions