I built sealed encloser for my JL 10w3v3-2 alittle over specs at 1.12 cu ft. I have a JL audio 500/1 amp powering it! My gains and db boost is set at half way marks! Seems like sub is bottoming out! It is in a Montero! Should I go PORTED??? I am looking for alittle more! Dont get me wrong, it...