I swear officer, it was a cosmetic procedure to make me go faster on my bike
In all seriousness I think it'll be only a few years before there's some controversy about body modification in the Olympics or something. If it hasn't happened already.
I wondered about this too. Subdermal fairing implants. I'd do it if it meant I got to race in the olympics. You could always take them out after. Or scarification trip lines on your legs
Not having a septum would improve airflow, but would be pretty suspicious of recreational drug use...