Matthew, one of the reasons you see more go-fast, and doll-up goodies for the Japanese based cars, as compared to the U.S. ones, is that there is a thriving market across the Pacific (meaning more than just Japan) for them. Tuner cars are BIG in Japan, and the more industrialized countries south of them. If I had to guess, I'd say that a big majority of the performance technology comes from there, and at least half of the glitzy stuff.