Bro, this is very subjective, its depand on the type of headlight you are using and how high is the angle of your beam. Basically projection headlight with proper beam angle should be quite safe as its not too glaring.
The Dual Solenoid Boost Controller R (DSBC Spec R) has four programmable
boost settings or various levels of boost. This unit features a built-in boost gauge,
peak boost display, four different boost
settings...