Wide fenders, neon paint and a wing the size of a park bench can look like a tuner fantasy, yet some of these cartoonish machines quietly sit in the same spreadsheet column as blue‑chip assets. The trick is that beneath the toy‑like surface, the car is engineered, built and rationed as if it were a small, mobile stock market.The foundation is the chassis. Borrowing from race‑car torsional rigidity...More