need help on a three chamber single reflex bandpass enclosure

[caraudiolove]

need help on a designing a three chamber single reflex bandpass enclosure for 2 12" kicker comps but will be upgrading to dc level 2 12" lvl 3

1999 monte carlo ls

1600w ma audio synergy 800w at 4 ohms

31W

30-35L

15"H

thanks