Cmon man. It's a dyno graph and people love that. Squiggly lines.
Don't think too much.
And yeah, I have the full article that is stock un tuned. Closing gap up too much lost power. Opening up too much lost heaps of power due to misfiring.
Then Google image search the difference so you can see it yourself.
It is a big easy to spot difference
You could go by model. And that would probably work.
Bit to be 100% sure you need to look for yourself.
Who says that something hasn't been changed in the past for some strange reason.