ok i am getting ready to redo my sub setup in the back i am planning on running 4-10s or 1 bad ass 15 but i want to mount the box onto the car with the inside of the trunk connected to the box in certain spots.....has anyone had a box like this?????? will it shake the shit out of my car or will it actually help agains vibration---i am worried that it will rattle my car and make it sound like shit but i have seen it done on other cars in magazines----anyone>?????