We never get tires of listening to Mukka Motorsport’s Mazda RX-7. The drift car built by Humphries Steel & Performance is powered by a naturally aspirated six-rotor built by Pulse Performance Race Engineering (PPRE). These unique engines are capable of 820+ hp and one truly impressive scream. Mukka Motorsport backs the motor with a HGT Precision six-speed sequential transmission and Winter quick-change rear end. Enjoy this video of the engine making noise without any music.
Source: Mukka Motorsport
This is weird… did this engine end up in another chassis? The older pics have a fully tubed front end.