I was wondering if anyone can help me design a box mainly the port I'm kinda confused about port area and tuneing the box will be for two incriminator audio death penaltey 18s on a basscleff 3500 I want about 7 cubes per sub and I'm not even sure for tuning I like lows but I want to be able to get high numbers to if that makes sense and the max dimensions are 42" wide 18" tall and 40-45" deep the window line is 19 1/2 I plan to flush mount them and add bracing to the box it'll be in a jeep Cherokee both subs up port back any help would be great thanks
