wenn_du_weinst 10+ year member
CarAudio.com Veteran
the alpine type r you mentioned is a good sub, I'd keep looking around to see what fits you best though.
You should also find a local shop to build you an enclosure and get a design off here, it will be much better then prefab.
You should also find a local shop to build you an enclosure and get a design off here, it will be much better then prefab.