2003 Dodge Neon R/T SOHC Performance ECU Flash

Give your 2003 Dodge Neon R/T the performance it deserves with MoPower Calibrations’ Performance ECU Flash. This calibration is engineered specifically for the R/T SOHC platform, delivering stronger throttle response, more horsepower, and higher RPM capability while keeping reliability in check.

Important – ECU Core Requirement

The 2003 Dodge Neon ECU was a one-year-only unit. To flash our calibration, you must provide a 2004–2005 Neon R/T ECU core. Ship us your working ECU, we’ll flash it with the MoPower tune, and return it to you. We do not stock ECU cores.

MoPower R/T Performance Specs

• Raised rev limiter to 7800 rpm (custom options available)
• Enhanced fuel and ignition timing maps for performance
• Improved throttle response, more horsepower and torque
• No purge system & no EGR valve
• Factory speed limiter removed
• 91+ octane fuel required

Dyno-Tested & Street-Proven

MoPower tunes are developed on the dyno and validated on the street. We monitor horsepower, torque, AFR, and fuel pressure to safely maximize performance, ensuring your Neon R/T gets the most out of every drive.

Disclaimer

• All calibrations are for off-road / racing use only
• Illegal for road use in many states and provinces
• Not for sale or use in California

If you own a 2003 Dodge Neon R/T, this is the performance upgrade you’ve been waiting for. Ship us your 2004–2005 ECU core and experience the MoPower difference.