Be sure to try and incorporate the baffles if you can. Its surprising how much more precise the sub becomes with good baffling in the box.
theWeezL;1019611 said:You could always just cover the port. This is why I build my own boxes.
Anth505;1019919 said:If the port is not tuned to the sub, it WILL sound bad. I would take it back, go to an aftermarket car audio shop and buy one there, unless the flea market has a sealed box of similar size.
If you're going to do something, do it right.