Quote Originally Posted by 415RS6 View Post
I have both tune the ecu and the tcu tune and they work great for me with no issues for 3 years now I feel it increased power, smoothed out power delivery, and made the shifting match the tune.
Ok well that is great to hear, especially with a 3 year longevity run! It makes it sound reliable as well as a good power upgrade. Thank you for chiming in on this! I will be doing that past the holidays, looking forward to it!