The second set of vids is much better for comparing since the OP's had once camera in the shade through much of the video.
And they did address the sound issue since there's a mic input now.
Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."