...even our doorstops are turbocharged
To answer the question preemptively: last-gen Supra, I believe. The USDM turbos used silicon nitride (ceramic) turbine rotors bonded to a metal shaft. Pretty cool stuff. Not tolerant of excessive boost, though.
You forgot the second question - what bike is that?
Co-worker's Yamaha RZ350. Nothing like a little pre-mix in a street bike!
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