Well I have ran my BDP-1s for a couple of weeks, I couldn't be more pleased with the overall performance. In the SD forums there were some comments about people buying new ACs because they didn't like "rebuilts". Well my truck idles smoother and runs better with Beans "rebuilts" then it ever did with the orignal injectors. With DP tunes it smooth and powerful... with Tony's burns it is just plain wild! My only problem... I had to tighten up all my turbo / intercooler fittings... too much boost!!! These guys build a top quality product. I am heading out for the weekend now, I'll check back on Monday. BP.