yea im pretty sure i can get a big enough box for two of the hdc315 subs in my trunk area i currently have my back seats taken out and have mdf down as a platform all the way up, i would get pics up but my dig. camera kicked the bucket, but i can get like an 11 cube box in there but thats before sub and port displacement, thas prolly the route ima take, now its time to start saving up