Im Planning On Putting 2 15" AQ HDC3's In a 8 Cube Box (After Displacements) Facing The Rear Of My Trunk In My Sedan.
The Only way i can properly give the subs enough port area is to put aeroports on the top of my box... (aeroports inside box)
Aeroprts will be 3" wide and im doing 8 of them...