Hi all. I had the new Arrow Race Controller installed today. It took less than one hour. It must be done by an SRT dealer. Preliminary observations: 1. It maintains RPMs better on regular low speed start out. It is not a throttle change. I think it is probably due to the slight difference in advance. 2. All normal functions are maintained except those eliminated by the program like the skip shift and some others mentioned in the other thread. 3. The sound on decel is, at least to me, a significant improvement. 4. I have not had a chance to drive it much yet but I have already done one pull from about 70 to 122 starting out in 3rd gear. I could feel the change and the acceleration was smooth and like a high performance aircraft. 5. This new controller is top notch and based on what I have experienced so far, it is a good buy.