or any device that transmits real-time, on-track data to the driver or any remote location are prohibited.
Commercially available nitrous oxide permitted, including for supercharged and turbocharged engines.
Bottle(s) must be stamped with a DOT-1800-pound rating and permanently mounted (no hose clamps or tie wraps).
Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is prohibited.
Four-cylinder, single-turbo application: limited to maximum 88mm turbo, where the maximum compressor housing inducer diameter is 89.5mm (3.523 inches), measured at the point where the leading edge of the compressor wheel meets the housing.
Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is prohibited.