Bakesbaked 10+ year member
Senior VIP Member
Ok so need help here, im going to put a Pioneer AVH 3400BH head unit into a 2004 z71 and my goal is to run 4 12inch sub woofers, i already have one diamond d6 and one alpine type r, im going to be getting an RE 5000.1 or maybe a different amp. i know with four subs i will need to do the big 3 upgrade. and also a battery upgrade. any suggestions, on what subs, what amp, and what upgrades, also im going to be making my own custom box to fit in the back, how do i do this to specs?