I haven't had to take mine in yet.
I've only had to do one oil change thus far and took it to a local shop that I've been using for almost ten years.
However, I don't know that I'll be able to use them anymore since this Berk exhaust hangs lower than the stock, which
barely rubbed on the floor-guard things as I drove over them.
When the time comes, I'm not sure which place I'll use. I guess Pinnacle has been the most straight forward with me and I can "trust" them more than the other dealerships.