want some opinions on this design

[caraudiophile 10+ year member]

right now in my 95 suburban i have 2 splw15s in 12 cubes after displacement with a 200" slot port tuned to 34hz. it is ported back with the woofers firing back. only does 145.5 at 34hz sealed up in the kick right now.

for this box i was gonna go with four 8" aeroports tuned to 38hz(my res freq) and dropping the box down to 10 cubes after all displacements. ported back, firing up. ive been stuck in a rut, only using slot ports for a while so im not used to the areo ports. any adjustments i should make before building ?

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