Will probably be a little harder to find a shop that has done this type of work on your 4 Runner. Lets face it, 99% of 4 Runner owner drive them in their stock build configuration, if it was a Jeep Wrangler then everyone would have worked on one, one time or another. I would say try to find a Overlanding group of 4 Runner owners and talk with them, I see videos on YouTube all the time.