A friend of mine asked me to build him a box for his 2001 Dodge Ram 1500 ext. cab truck for 1 Alpine Type R 12. And this is what i came up with... I will post pics of the installion later... D4 Type R 12: The ports: Assembled: And carpeted: ps sorry for the not so many pics. didn't think about posting it till i was almost done. if you have any questions, comments or anything feel free to post