Each sanctioning body has its own set of regulations, including specific roll cage requirements. All you need to do is tell us which organization you plan on racing with to ensure your vehicle is up to spec, but if you’d like to take a look at the various regulations yourself you can find them here.

FIA Fédération Internationale d’Automobile International Sporting Code and Appendix J NASA National Auto Sport Association rally and track regulations
Rally America Rally America rulebook SCCA Sports Car Club of America general competition and rally rules
BMW CCA BMW Car Club of America rules and forms NHRA National Hot Rod Association rules summary and ammendments
Formula Drift Formula Drift forms D1 D1 Grand Prix contact
PCA Porsche Club of America rules and forms Boxster Spec Boxster Spec BSR and BSX rules
NEHA New England Hillclimb Association Rules & Regulations 24hrs of Lemons 24 Hours of Lemons rules