hey guy's i got a 15" sub and i maid a box but i think it is too big i could fit like 4 15" in the thing if i want to. and i talked to a guy and he say to try a smaller ported box so if any one got a 15" ported box sizes that workes great with there sub it whould be great.......like it sounds alright in the car but when i open the trunk it's not that loud and i tryed inverting it and it maid a little bit of a diff and i was thinking of a small box with big ports whould be loud.
