Just test drove my stage I today for the first time, I definitely wish I had gone with II or III. There's almost no difference between stock. It was entirely my choice, Stage I sounded like a step beyond the old police firm-feels, I figured two steps up from stock would be fine. Thankfully, this was with the larger wheel, when I bolt my Tuff wheel on, it will hopefully firm up a little bit. Go II or III.

By the way, I had no problems with Firm Feel, they treated me fine and had some hard-to-find things I needed in stock, priced fairly. Regarding R&I labor costs, it states plainly on their site that they don't reimburse for this.