I have it on my ‘17 (took ownership in April of ‘17 - installed in summer of ‘17)
I’m a big fan. I def noticed a difference in power, but more importantly the trans and shifting (I know that was a bigger issue in the early gen 2). I would absolutely spend the money again to do it. I never had it dynoed and can’t compare to any other tunes, but it haul for a big heavy truck w mud tires.
There is def still turbo lag though, but I’m also comparing it to my 991.2 (which is also tuned) and the trans has an impact on that as well.
I’m a big fan. I def noticed a difference in power, but more importantly the trans and shifting (I know that was a bigger issue in the early gen 2). I would absolutely spend the money again to do it. I never had it dynoed and can’t compare to any other tunes, but it haul for a big heavy truck w mud tires.
There is def still turbo lag though, but I’m also comparing it to my 991.2 (which is also tuned) and the trans has an impact on that as well.