it seems steeda makes an STB, part # 555-5712 that they list as being for the '03 mach 1. from the research i've done, it doesn't seem that there's anything that changed from '03 to '04 that would prevent this from fitting on my '04.
does anyone's experience suggest otherwise? google searches for STB 2004 mach 1 don't seem to turn up anything useful from any other manufacturer. does anyone have any pointers to another product i should look at before purchasing this one?