Plenty of people with K04 cars have had no issues. My stage 1 was good, 2 was a progression of 1 giving continued torque higher up and smoother delivery.Havent had 3 but afew have on here have with no complaints. Backed up by willing customer support. Superchips (Bluefin) have been nothing but exemplary.
Revo isnt the cure for everything, There may have been a recent casulty with a Revo car going "Bang". So i reserve that fact that having more torque as a better option.Torque is what ultimately can cause the wear and tear to most Mechanical failures.
We all have good service with different tuners availble, and ultimately its your own choice as to which you stick with.