After putting this in my 2017 Tahoe I noticed a boost in acceleration and smother shifting while driving over 45 mph. I noticed that the Tahoe ran smoother at high speeds. I have seen a MPG drop of about 1 or 2 on highway driving. I have not noticed any other issues that is has caused negatively. I have had the AFM disabler in my Tahoe for about 6 months. I think its worth getting to take away the V4 and put the Tahoe back to all time V8. I reccomend this if you are worried your lifters will go out. [...]