Perhaps a bit too western (or actually southern for the Japanese) to be real bosozoku, but this 1983 chartbuster features some bosozoku (on motorcyles) and dekotora in its video clip that was recorded in Japan:
Through [Pink Tentacle]
by banpei with no comments yetI found this full 50 minute episode of the Baku Sozoku (?????) anime on someones Minkara blog. Even though it is not subtitled nor synchronized it contains some English and is still a bit understandable:
I really wonder what is more understandable: the Japanese or the English spoken in this video, especially near the end! 😀