My car has had the same blower as the Katana for quite some time & Charlie's tune for several months now. I bought it with around 12K miles and the SC already installed. It now has almost 21K miles.
I've driven the car, with supercharger, from Los Angeles, CA to Aspen, CO & back with no issue (about 2000 miles). I've taken numerous shorter road trips since. I've driven from sea level to
12,000 ft - no problems. I don't drive like a maniac most of the time, but when I ask for it, it gives it to me. It's really quite a thing.
Whatever route you go to source the blower, be sure it's being run by charlie's tune.