What difference do decent wheels make?

Sorry but I doubt that 30 seconds.. I've done testing and I've seen the data collected by elite level competition cyclists ridding some of the best deep section wheels and its not been anywhere near that..
Now the wom wom..? Aero wheels are not supposed to go wom wom.... Pulsating sounds are not what you want... Try balancing them... and if you are into sounds.. Add a playing card to your spokes...

Thanks for tha science.

I was 50 seconds in the same course after buying new wheels, that's all the data I need.

If they didn't go wom wom wom id send them back...