I HATE loud pipes! They dont save lives. The only time I SEE them is when they are passing me or beside me at a stop light. I drive with my windows up and a/c on. I built a chopper when I was a teen and made sure it had quiet pipes because I had to sit on top of that noise. I have never understood that desire for loud obnoxious noise. I work as an auto tech and even with hearing protection I've lost 20% of my hearing. I don't need some stupid bike rider trying to destroy the remining 80%.