Product Description
EDGE PRODUCTS 30203 EZ TUNER – 2003–2004 DODGE RAM 5.9L CUMMINS (50 STATE LEGAL)
The EDGE PRODUCTS 30203 EZ TUNER is one of the simplest and most effective plug-and-play power modules ever created for the 2003–2004 Dodge Ram 2500/3500 5.9L Cummins. Designed for truck owners who want reliable, no-complication horsepower and torque gains, the EZ module installs in minutes and provides immediate improvements in throttle response, towing performance, and mid-range pulling power.
Unlike flash programmers, the EZ module intercepts fueling signals to deliver smooth, safe, usable power across the rpm range without ECM modification. Three selectable power levels allow drivers to choose between towing-optimized tuning, everyday drivability, or maximum performance. Installation requires no cutting, splicing, or drilling—simply connect the harness, mount the module, and enjoy the added power.
The 30203 EZ is fully 50-state emissions compliant, making it an ideal solution for owners who want measurable power gains while staying emissions-legal.
FITMENT – 2003–2004 5.9L CUMMINS
- 2003 Dodge Ram 2500 5.9L Cummins
- 2003 Dodge Ram 3500 5.9L Cummins
- 2004 Dodge Ram 2500 5.9L Cummins
- 2004 Dodge Ram 3500 5.9L Cummins
Compatible with both automatic and manual transmission models. Not designed for use on modified injection systems outside stock-type configurations.
EDGE PRODUCTS CROSS-REFERENCE ITEMS
Pair the 30203 EZ Tuner with additional EDGE accessories for enhanced monitoring and expandability:
- EDGE PRODUCTS 98605 EAS UNIVERSAL 5V SENSOR INPUT – Add fuel pressure or other 0–5V aftermarket sensors.
- EDGE PRODUCTS 98608 EAS TEMPERATURE SENSOR – Ideal for EGT, coolant, transmission, or auxiliary temp readings.
- EDGE PRODUCTS 85400-300 EVOLUTION CTS3 FOR CUMMINS – For drivers wanting full tuning and touchscreen monitoring on 2003–2012 Cummins.
FAQ
Does the EDGE 30203 EZ Tuner require ECM flashing?
No. The EZ module is a plug-in fueling controller that does not reflash or permanently modify the ECM.
How many power levels does the EZ module provide?
The 30203 offers three selectable levels designed for towing, daily driving, and maximum performance.
Is the 30203 EZ Tuner 50-state legal?
Yes. This module is emissions-compliant and legal for use in all 50 states when installed as directed.
Can I install the tuner myself?
Yes. Most users complete installation in under 15 minutes with basic hand tools.
Does it work with automatic and manual transmission trucks?
Yes. The EZ module is compatible with both transmission types on 2003–2004 Cummins trucks.
Specifications for EDGE PRODUCTS 30203
| Specification | Details |
|---|---|
| UPC | Not Provided |
| GTIN | Not Provided |
| Shipping Info | Ships from CPP Diesel within 1 business day when in stock. Standard ground shipping. |
| Prop 65 | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. Learn More |
