That be true, and they are each a bit cheaper than the center whisker. Even though I have a spare set of the three pieces, I have never bothered changing them out. I just trim the streamers off the bottom with a sharp knife about twice a year. I have the H&R springs that lower the car 1.25”f/1.5”r. I scrape curb cuts and speed bumps occasionally but don’t make contact with anything other than the whiskers. Hitting curbs in the middle of the night is another matter.