if you are wanting to go with a jl audio sub i would go what a jl audio w7 13 in in a proWedge box it is going to cost you a little bet but i had a 12 jl audio w6 and it was the best sub that i have ever seen by far
i have tried to cover my door panels and if you just want to do the inserts you have to cut a long the grove where the fabric and rest of the door panel meet and the peel it off but i think that it would be quicker and take less time to just tape off the space around the insert and put some ...