I installed Power Pack Stage 2 on my 2017 GT auto a few weeks ago and so far it definitely sounds better, is more responsive, and feels faster. I took it to the drag strip to see what the improvement was and I ran a best of 12.79 bone stock a few months ago and then a 12.80 with PP2 installed...
New 2017 Mustang GT owner as of two weeks ago and this is my first post, so hello everyone. I've enjoyed reading the forums incessantly since buying this car a couple weeks ago. It's a 2017 GT base model with automatic transmission (3.15 gears), black accent package, and 19" wheels with stock...