Use of Oxygen-bearing fuels such as nitrous oxide, alcohol, nitromethane, methanol, etc., is not permitted in any class. Race fuel is permitted only in Modified.
Vehicles must comply with the requirements of Chapter XII (e.g., working headlights, turn signals, and full interiors in Street, Production, and Improved).
A securely mounted fire extinguisher convenient to the driver is required in all vehicles except those in the Street classes.
Cayennes may only have the limited changes from stock condition permitted vehicles in Street Classes. Cayennes may not run in Production, Improved or Modified.
RMR/AMR Event Rules – 2008Page 9