The modifications seem relatively simple, and somewhat hillbilly, but it appears strong as all get out.  I am trying something new with the images, starting with this blog entry, so bear with me.  If it doesn't work out, I'll let you know in the next entry.  On with the pics!

Upon further investigating, this is a standard modification available from several manufacturers in order to strengthen the uni-body.  Oh, and for full size views of the pictures, just click on the picture and a new window will open with the full size image.