Box design/tuning for (2) dd9918s sc ?

[520reaudiosx15s 10+ year member]

dual dd9918s sc dual 2 ohm

i drive a silverado ext cab (no back seat). i prefer subs forward port up across back wall of box

my power 3-batts(2-2000 kinetiks,1-2400 kinetik) next to cactus 5kw amp, 300 excessive amp alt, big 3 and all power and ground zero gauge kicker flex, i xstatic 2000 batt under hood, amp will be wired to .50 ohms.

i compete in meca and usaci. thank you

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[520reaudiosx15s 10+ year member]

nobody ???//content.invisioncic.com/y282845/emoticons/wow.gif.23d729408e9177caa2a0ed6a2ba6588e.gif

 

[mlstrass 5,000+ posts]

nobody can tell you that what you need, especially since you compete in 2 diff orgs. build and test is the only way to find out what works best....