Quickest/cheapest way to upgrade my current ebike for a little more top speed?

[Stick369]

I switched from the 26x4 that came with the Aventure to these: https://a.co/d/6EnQjm0 From what I could see Hookworm stops at 2.5. I'm trying to avoid replacing the rims or messing with the spokes.

 

[Ebiker01]

new controller, you can mod yours and boost it to 30a if you want.
Costs10 cents and some technical abilit

Changing the mosfets ??