It has to be the shifting bud....
My automatic is almost 14.4's
Don't worry about it... can't blame you for wanting to be nice on your car.
There are already enough of us on here who are going to be in line getting replacement trannies (suppresed groan)
But you really ARE making some nice power for a cat back. The chip is obviously doing it's job really well. Once it's dialed in better you'll be where you want.
Jorge (RiftsWRX)
www.ProjectWRX.com