You’ve waited, and now your patience has been rewarded. The International Hot Rod Association (IHRA) has posted 2025 rules for the professional classes, Pro-Am and ET bracket series. With the rules in place at https://ihra.com/rulebook, get pre-entered at our membership center https://ihra.com/ihra-membership-license to participate the most exciting programs in drag racing. The IHRA Outlaw Nitro Series marks the return of one of drag racing’s most electrifying series with a powerhouse lineup. The $125,000-to-win IHRA Outlaw Pro Mod Nationals is a throwback to the old Nitrous Nationals. Finally, the IHRA Summit SuperSeries remains the most prestigious national championship in all of bracket racing.