Hey everyone .. Im working on a new setup for my Jeep in which I have 16.7 cu/ft gross to work with(15.4 after sub/port disp.). I am going with (2) 18 inch FI ssd's . I will be using (5) 6 inch presicion ports . Tuned to 35 hz. This gives me 141.3 cu/in of port area which is a bit below whats recommended . Now my question is .. will this setup have a correct frequency curve with what I have listed . Im looking to move a good amount of air but would like it to sound close to optimal . Should I try to gain more port area/box volume ?