I have never seen a mass produced subwoofer enclosure for the Disco. In all honesty, you'd be hard pressed to find ANY good prefabbed sub box for any application. If you are truely a music lover, then you should know that when it comes to adding a subwoofer, the enclossure either makes it or breaks it. No two subwoofers require the same internal volume of space and it even goes with the internal volume of the vehicle in question. Best bet, find a decent stereo shop and have one custom made to your vehicles and subwoofers specification. It may cost a few hundred bucks but it is money well spent. In all honesty again, it isn't uncommon for the enclosure to be quite a bit more expensive then the subwoofer itself.