Would this set up work?

[lilsullivan04 10+ year member]

I'm wanting to get one M3a and two 3515's. Should I change my factory battery and swap out my factory alternator with a high output one? And should I do the "big 3" upgrade and how do you do that? I have a 2011 GMC Sierra 5.3 V8. Thanks!

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[mylows10 5,000+ posts]

yes to all the big 3 is easy .all you need is some 0 gauge wire and some ring terminals .approximately 9 -12 ft .power from alt to battery,ground from battery to chassis,and battery to block

 

[lilsullivan04 10+ year member]

Ok sounds great thank you mylows10. So I wont run into any trouble if I do the aftermarket battery and aftermarket alternator and the big three?

 

[RangerDangerV2 5,000+ posts]

dude I already told you what you needed to do??

 

[lilsullivan04 10+ year member]

Your right, thanks and sorry. Just trying to figure this out is all..