"nrickeymouse" has a Youtube channel on a decreasing radius turn on Mulholland drive in LA. He just sets up a camera on weekend and sees 4-5 guys fall. Some very expensive high powered bikes owned by people who should not be riding.
In Britain, a study released last week showed that >40% of bike crashes were rider "loss of control". 20% is from right turns (our left turns). 10% from U-turning cars. Loud pipes won't save any of that.
Keeping off roads friday night to sunday morning will drop your chances of getting killed in a huge way. 50% of all fatalities happen at night due to alcohol.