Hello everyone, I'm new here and to car audio stuff in general. Right now I've got a 15" Alpine in my trunk, and it just doesn't seem like its hitting as hard as it should. I have a 1997 Dodge Intrepid. When you're sitting inside the car, there is an extremely noticable difference in the sound when you have the trunk open compared to having the trunk closed. Is the woofer not getting enough airflow? The box is not sealed, I don't think thats the problem. Any tips?