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That's not normal. That suggests your fuel quality isn't great or there's something else going on to cause knock control to pull timing.

They try to keep torque flat from the factory whereas we're taking advantage of the turbo's efficiency range without pushing too hard. We put 45K miles on our test RDX with stage 2. It's still out there somewhere. There aren't limitations we've run into. Both tunes are still conservative. Custom tun...

Look at your knock control. Beyond that I have no suggestions for you. There's a clear power difference with stage 2.

It does not look like we'll be able to add support for 2024.

Outlined tunes are built into the software.

Yes. You will still see some gain without the parts, but the tune supports up to those parts as was directly tested.

The only difference is drive train losses between MT and CVT.

That's the modifications that the tune supports up to. Not required. The factory starting point will adjust knock control for better fuel, if that's all you're looking for.

This isn't something we can coach you on.

That's not what the rev limiters are based on, so I still don't understand your inquiry.