what will i need for 4 brutus bxi 2408d's

H.O. alt 3-4 large batts. But why 4 2408ds?
true...why?...just sell those and get one BIG amp..ill say a RF T40001db...those mofos are rated over almost 5k with right voltage..just an example thoug

 
^ the man is right. I run a pair of 2608s in my blazer right now w/ an electrical system that consists of a 250amp alt with a redtop under the hood and a powermaster d3100 in the back. While the alternator did a fine job of keeping my voltage up at full blast, I don't see how a single 250amp alt will provide sufficient current to four 2608s, despite the number of batteries needed. I'd say a pair of 300amp alts with a bank of batteries in the back will get the job done.

 
^ the man is right. I run a pair of 2608s in my blazer right now w/ an electrical system that consists of a 250amp alt with a redtop under the hood and a powermaster d3100 in the back. While the alternator did a fine job of keeping my voltage up at full blast, I don't see how a single 250amp alt will provide sufficient current to four 2608s, despite the number of batteries needed. I'd say a pair of 300amp alts with a bank of batteries in the back will get the job done.
how does your electrical hold up?

 
I set my voltage regulator to 15.1v, and it doesn't drop below 13.9/14.0v

I love my mechman alternator. Best purchase I've ever spent my dollar on. Its a good feeling to look at ur volt guage and the needle is constant.

 
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