This was a 3rd gear pull during a dyno session, to check boost levels. Multiple 4th gear pulls over 430whp, with around 440wtq.
The nitrous was later removed and the car was retuned:
http://www.youtube.com/watch?v=os0CAN8zLvM
A short video that demonstrates the installation process for the Cobb AccessPORT on the Mazda RX-8, utilizing the custom calibrations provided by MazdaManiac.