I offer installation on all of the products I sell and I stand behind everything that I do. Sub enclosures are my strong suit and I take pride in knowing that every enclosure that leaves my shop sits in a vehicle near a very satisfied customer. I will tackle any project you need and will not back down from any challenge. You need a box for one 8" sub that's great. You want a wall of 15s that's awesome we can handle that. I have been there and done that.