I've made some. I did the true testing on my bikes.
99 MCxpress Turbo Busa.
02 GSXR-1000 Velocity Turbo
A few others too...
01 ZX12R (1270cc) 80hp of NOS
01 ZX12R MCxpress Turbo
01 GSXR-1000 Turbo
No problems (PERIOD)
They've been on bikes for over a year now.