PSI 8.3L/9.0L Cummins Engines w/CAPS Performance Module (CAPS8390)
The PSI 8.3L/9.0L Cummins Engines w/CAPS Performance Module (CAPS8390) is a cutting-edge solution designed to optimize the performance of 8.3L and 9.0L Cummins engines equipped with a CAPS Fuel System. This innovative module seamlessly integrates with your engine's electronic control module (ECM), fine-tuning its signals to deliver remarkable results.
KEY FEATURES AND BENEFITS:
Enhanced Performance: Experience a significant boost in horsepower, elevating your engine's power output.
Improved Fuel Efficiency: Reduce fuel consumption without compromising performance, saving you money at the pump.
Easy Installation: The plug-and-play design ensures hassle-free installation, requiring no complex modifications.
Durable Construction: Built to withstand demanding conditions, offering long-lasting reliability.
Adjustable Power Levels: Tailor the module's performance to your specific needs with three adjustable power settings.
Compatibility: 8.3L and 9.0L Cummins engines with a CAPS Fuel System
Performance Gain: Up to 30% horsepower increase
Fuel Savings: 10-20% fuel economy improvement
Locate the ECM: Identify the engine control module (ECM) on your vehicle.
Disconnect the ECM Connector: Carefully unplug the connector from the ECM.
Connect the Module: Plug one end of the module's connector into the ECM, and the other end into the original ECM connector.
Secure the Module: Mount the module securely to prevent movement or damage.
Power Cycle: Turn the ignition key on and off to reset the ECM and activate the module.
BENEFITS OF USING PSI 8.3L/9.0L CUMMINS ENGINES W/CAPS PERFORMANCE MODULE (CAPS8390):
Increased Towing Capacity: Haul heavier loads with ease.
Smoother Engine Operation: Enjoy a more refined and responsive driving experience.
Plug-and-Play Installation: Easy setup without complex modifications.
Increased Horsepower: Boost engine power for enhanced performance.
Ships in 1-4 Business Days.
Product identification
- Brand: PSI Power
- Model / MPN: CAPS8390

