What do you do when a 700 hp, turbo and nitro street rod isn't enough?  "Jet turbine" baby..!   Yes, it's weird driving past gas stations on the way to an airport FBO for JP-8 jet fuel.  These ground-pilots design, engineer, build and run a gauntlet of  regs to req'd permits.  So enjoy enjoy these specialized and exciting demos.   Often, coordinated with an aircraft in the form of a ground-and-air race.