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<blockquote data-quote="Jeffdachef" data-source="post: 8395520" data-attributes="member: 650438">Keep the subs then they aren&#039;t bad subs, some of the best sounding subs that can get decently loud in a proper box out there. they just need to breathe. Stock 80 amp alt will be pretty hard, might want to just use the single 750.1 with a custom ported box while you get some electrical upgrades in. You will need to do the Big 3 upgrade and a good AGM battery under the hood, however if you perform the big 3 upgrade the system is still not able to handle your single 750.1 right now(lights dim, low battery voltage), then you will need a high output alt or at least go to an alt shop so they can rebuild/beef up/upgrade your stock alt.A D4 subwoofer wired parallel will be 2 ohms. Two D4 wired parallel will both be at 2 ohms each and when wired parallel with each other, the ohms will drop down to 1.&nbsp;&nbsp; Your kicker was a D2, wire that down to parallel will be at 1 ohm. If you had two kickers, it will be at .5 ohms when wired parallel.</blockquote>

[QUOTE="Jeffdachef, post: 8395520, member: 650438"] Keep the subs then they aren't bad subs, some of the best sounding subs that can get decently loud in a proper box out there. they just need to breathe. Stock 80 amp alt will be pretty hard, might want to just use the single 750.1 with a custom ported box while you get some electrical upgrades in. You will need to do the Big 3 upgrade and a good AGM battery under the hood, however if you perform the big 3 upgrade the system is still not able to handle your single 750.1 right now(lights dim, low battery voltage), then you will need a high output alt or at least go to an alt shop so they can rebuild/beef up/upgrade your stock alt. A D4 subwoofer wired parallel will be 2 ohms. Two D4 wired parallel will both be at 2 ohms each and when wired parallel with each other, the ohms will drop down to 1. Your kicker was a D2, wire that down to parallel will be at 1 ohm. If you had two kickers, it will be at .5 ohms when wired parallel. [/QUOTE]

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