The Pettit Racing ECU Upgrade for your Mazda RX7 will allow you to run up to 14psi of boost with stock injectors. Countless hours of dyno and track testing with many different performance levels were used to develop these programs. Once modified, program chips plug in and can be easily changed, providing you with the best combination of reliability and performance available for your RX-7....................

Core charge extra or ship us your computer. Turn around in five working days.