Tuning Bonneville

Have a watch of this and there are a few more on youtube

 

There’s quite a few places that sell these but afaik, they aren’t really designed to increase the power in a meaningful way. They’re designed more to smooth out any part of the map that might be a bit lean.
The best explanation of how they work can be found here
https://www.boosterplug.com/shop/cms-24.html

 

You could achieve the same by adding a resistor to the air temp sensor its just another global fudge device.