Most people charge between $1000 -$1500 to do the whole process. If your putting in old ADM seat belts, make sure they aren't frayed at all or they'll fail you and you'll have to pay for a second inspection. If you have ADM doors, better to get them painted and use them instead. Most places warp the door frames when they're welding the new bars in, or just tack them in. I hit mine with my hand inside the door and they fell out as an example.