DASH

Hello I have Honda Accord 2006 , and am planning to upgrade my sound system and i would like to hear your opinion and give some advises about it and it will go like (2) sundown 12" Z v3 (1) Crescendo Audio BC3500D wiring into 1-ohm 220AMP Mechman alternator (2) optima yellow top 55 Ah in the back and (1) optima battery in the front hood 36.50sq Damplifier Pro SecondSkin the box will be 5 cubic feet tuning 35Hz , can i make 150 db by this install ? and thank you

so i must buy the vcm with the harness?

http://www.amazon.com/XS-Power-XSP312-Harness-Alternator/dp/B0089XOESE/ref=sr_1_6?s=automotive&ie=UTF8&qid=1339691815&sr=1-6&keywords=xs+power+harness is it will fit in my Chevrolet caprice 96 , i have Mechman 200a CS144. what's voltage range i will get through this harness , is there somthin to control the voltage from this harness or must buy the VCM. Thanks

Chevrolet caprice ss 5.7l V8 , is there a VCM for my car can i buy it through amazon.com?