Should you have questions on rules or which class your car should be in, feel free to contact us for help.
Rules highlights at a glance. You’ll find info on classing and what is allowed for each class.
Street Class
- Vehicles with total Classing System points of 7.5 are allowed in Street class
- Tires are limited to DOT and street tires only
- Vehicles competing in street class must have intact dash boards with functioning heater/defroster
- Vehicles competing in street class must have functioning headlights, taillights and brake lights in the OEM locations
- The following modifications are not allowed in Street Class
- Level 2 Front Aero.
- Level 1 Rear Underbody Aero.
- Level 2 Rear Wing.
- Lightweight aftermarket parts. (Replacements for OEM parts that are less than 90% of the weight of the OEM component)
- Aftermarket body panels.
- Any interior removal (unless necessary for safety equipment).
- Passenger seat removal
- Replacement of OEM windows for polycarbonate / lexan type (exclusion for soft top or hard top on convertible replacement windows)
Street-Modified Class
- Vehicles with total Classing System points up to 11 points may compete in the Street Modified Class.
- Vehicles competing in street-modified class must have intact dash boards with functioning heater/defroster
- Vehicles competing in street-modified class must have functioning headlights, taillights and brake lights in the OEM locations
- Level 1 R-Compound Tires are permitted in this class
- Level 1-2 Street Tires are permitted in this class
- The following modifications are not allowed in Street-Modified Class:
- Level 3 Front Aero
- Level 4 Rear Wing
- Aftermarket Forced Induction
- Level 2 R-Compound Tires
- Replacement of OEM windows for polycarbonate / lexan type (exclusion for soft top or hard top on convertible replacement windows)
Race-Modified Class
- Vehicles with total Classing System points up to 14 points may compete in the Race-Modified Class.
- All DOT stamped tires are permitted in the Race-Modified class.
- Vehicles competing in modified class must have functioning brake lights. Locations may be altered
Unlimited Class
- Unlimited cars are just that. Unlimited, and are required only to conform to the safety and conduct rules
