 Even fake-looking brake duct entrances where it doesn't go anywhere. To me, it should do something. Otherwise, don't put it on. That's right. I always check on review cars. Oh, it's got heat extractors. Are they functional? Yep, they are. So that's fine. Then it's doing something. Other than that, if it's not doing anything, it shouldn't be there. And who are you trying to impress?