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Discussion Starter · #1 · (Edited)
Hey guys, im starting from stock system to my new system.

I already have a amp and sub, and going to purchase a p4100 headunit. I am getting it from a store around me that is selling for 449.99 with free installation. What exactly do i need to install my whole system besides the dash kit? The guy said i need the metra harness, but i thought that was only when bi passing the stock amp to stay with the stock headunit. That costs about 100 dollars he said and i don't want to buy something that i dont need, of course.

Any help would be great :) and recommendations of course.

Oh and I also dont have any wires for the sub and amp, could i use my stock wires to power the w7 12 and the hifonics amp or would i need to buy seperate cables for that as well?
 

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Discussion Starter · #8 ·
which amp kit would i need? seriously dont know shit about the wiring... i have a jl wy 12 and a hifonics brutus amp.
 
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