The first Hong Kong/Chinese film to be mixed in the "Dolby Surround 7.1" encoding system. Coincidentally, Wai-Keung Lau's movie The Avenging Fist (2001) was the first Hong Kong film mixed in the "Dolby Digital EX" 6.1 surround encoding system.
The motorcycle is a Chinese made Chang Jiang which is a copy of a pre-WWII German BMW. This particular motorcycle had directional lights which war era bikes did not have and was manufactured in the mid to late 1990s.
The original movie The Green Hornet is mentioned in the movie, while it is part of the homage to Bruce Lee, the movie came out in 1940, 15 years after the movie takes place.