This staff ride is a 1990 Spec Miata that runs in the Challenge series (a slightly de-spec’ed class at the Harris Hill Raceway in San Marcos, Texas). It is outfitted with two Ultrashield Rally Sport seats (2 seats is convenient for frightening passengers). It’s a stock 1.6 motor with a fully caged interior and stock exhaust.
The local rules allow for a minor suspension change: Racing Beat lowering springs on stock shock absorbers. 
As for seats, these have driver and passenger Ultrashield Rally Sports.
