how much you trying to spend. SI magnum if you could get a bit more power, but would prolly be fine with that and sound good. if too much money even a CVR would get loud, but not sound superb but not clear what you want outta it so more info please
don't think i'm after the IDQ but thanks. They are awesome just owned too many of them lol. CVR is out. 12w6v2 a consideration if the price can get down some
the box is 2.5 @32hz before sub and port displacement so its 2.xx cubic