1) there are two tabs. take a flat head screwdriver to the bottom part of the seat. lift up slightly and you will feel the taps. push the screwdriver in the tab and the bottom will come up.
2) fold the top part down
3) take an 8mm socket and undo the bolts that hold the black trim on
4) take a 10mm socket and undo the 3 bolts that hold the metal frame to the bulkhead.
5) remove from car
its been about a year since ive done it, so it might be off a little, but its close enough
**I have sigs turned off, so if you're asking for advice based on your mods, I can't see them**