10.500RPM Mazda RX-7 FD3S || 520Hp Triple Rotor Amazing Sound ! Acceleration & Sound Drag & Track by turboandstance - March 5, 2019March 5, 2019 Built, owned and driven by Andy Duffin of Triple Rotor Racing this monstruous Mazda RX-7 is primarily a Time Attack machine, powered by a Naturally Aspirated 20b (Triple Rotor) Engine Producing 520Hp/10.000Rpm and sporting an incredibly modified bodykit built by Kinetic Simulation primarily for WTAC ( World Time Attack Challenge). Leave a comment