Originally Posted by BLACK OPS
I forget what differentiates each stage in tune, but is this with stock exhaust?
I believe Stage I is for stock exhaust or at least stock cats. Stage II is what I have since I have Turner Test Pipes. The only part of my exhaust that is stock is the X pipe.
I can't speak to the Stage I tune, but I can't imagine it gives you the same kick in the pants that the TTP's/Stage II does.