Agree with the above. It just blends in more with the white and since the video is low-res, it's harder to differentiate.
When I was behind the Interlagos car, the muffler definitely didn't seem as noticable as it has looked in pics. I think in motion, as a whole, it looks OK. It could still be better though! If that puppy starts to "rust" at the welds where the tips are, it's going to be an eyesore. JMHO