In 33 years I have. The carbon reeds are stronger than the stock fiberglass reeds so they can be made thinner and more resilient. That means they open and close faster which holds more charge in the crankcase which improves power delivery off idle. I can pull a gear higher with the VForce reeds than with stock. I bought two sets of the CarbonTech when I thought I couldn’t get the VForce for my new bike but I found the VForce reed block for an older KTM65 fit the Beta if you swap the petals so I didn’t try the CarbonTechs yet. They’re just sitting there gathering dust.
So yeah, the first mod I do to any new bike is carbon fiber reeds. Love ‘em!