stock alt. optima yellow top and you should be good.They're going to be Hifonics, I'm 16 with a sh*tty job, but I'm going pretty far with the speakers, wiring, and just put in my Kenwood last night. Its a good feeling man. RF 3-way 6x9s in the front door and 2-way 6-3/4s in the rear door. Fi SSD sub.