Homemade Gas Dune Buggy Conversion to Electric

I took a rusted-out, old, gas-powered dune buggy and transformed it into a modern electric-powered vehicle. Of the many things I built and installed myself, here are the most notable: the battery, the main wire harness, the drivetrain including structural elements, brakes, suspension, ECU and motor combination, battery control systems, structural crash "crunch" zones, and quite a bit more. It has been confirmed to go 40 miles an hour, however, once the project has been completed the math says it could reach well around 100mph. I learned a lot about mechanical, electrical, comp sci, material science, and systems engineering to finalize this project.