Originally Posted by paulpat
Why catted? go catless.
Why AP if your going to need a custom tune? go opensource with a tactrix cable, 100$ Assuming your an old guy who knows how to work a computer.
Little to no gain by going catless on a stage 2. Other than make the back of your car black, exhaust funk in the cabin, and F-up the enviorment more.
I agree with the opensource tune if you already own a laptop.