Ok, here's what im doing to get my seats lower. As you can obviously tell, I chop giant hole in floor... and insert new floor pan i bent up.
I took my LSD apart, time for a rebuild and some shimming
And before anyone asks, No, it will NOT be put back together in that mess of an area.
And a random pic of my stitch welding. This is with my TIG

PS on the A piller