"Precious Metal" a P-51 Mustang fitted with a V12 Rolls-Royce Griffon and two propellers

Bitchin

"Precious Metal" a P-51 Mustang fitted with a V12 Rolls-Royce Griffon and two propellers that are contra-rotating. "Precious Metal" is used as a racing aircraft.
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(TITLE FROM REDDIT r/EngineeringPorn)

How have i never heard of this airplane before, its absolutely beautiful.
Also, that thing must go like a bat out of hell... That griffon engine's a beast