Anyone done this? Thoughts?

The below picture is my own. Taken at 6,xxx ft elevation on the Parkway.

I have talked to some people about it and it seems like it definitely improves throttle response and some power is gained as well. It seems the ITBs make the engine 2x as loud, so might be a mod for a not so daily driver Miata.

Oh... And here’s a reason for anyone asking why ITBs:

Credit to Quinn Kizis for this awesome video.