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.
Choose whether your PCM requires a Vehicle Identification Number (VIN) update during service. A correct VIN ensures proper factory matching, eliminates security conflicts, and maintains compliance with dealer tools and inspections.
Choices
No VIN Change Needed — Select if the PCM already has your correct VIN.
VIN Change — We will program your PCM with your vehicle’s VIN for a seamless install and full compatibility.
Note: A valid VIN match is required for emissions testing, state inspections, and factory diagnostic functions. Always confirm your VIN selection before checkout.
2003 Dodge Neon SOHC Performance ECU Flash (Non-R/T)
Take your 2003 Dodge Neon SOHC (Non-R/T) to the next level with MoPower Calibrations’ Performance ECU Flash.
Developed through extensive dyno testing and real-world datalogging, this calibration provides sharper throttle response, more hors..
i ordered the wrong service, didnt know, his system was down, i canceled everything, he emailed me reached out to me, and called me, then figured out what i needed and got it deleted and called make sure it was getting s…
10/10 service from Kevin. My ecu was screwed up and I was unsure about what to do but Kevin explained everything and took care of it. Very quick shipping and excellent customer service.
Had my Jeep Wrangler JK PCM and TCM recalibrated as I swapped out to a new motor. Had it back in 3 days, been in my Jeep 8 months, running like a champ. Highly recommend MoPower
I have been having issues with the engine temperature on my 2017 Jeep Wrangler 3.6 liter rising to dangerous levels when driving in mountainous areas up steep grades. I had attempted all the recommended solutions, and c…
I had an excellent experience with Mo-power Calibrations! I needed the PATS system deleted for my 1998 Ford Mustang Cobra, so I sent my ECM all the way from Vancouver, Canada.
The entire process was completely hassle-…
This guy is awesome! Got my skim delete done and car fired right up! Even helped me with issues I had after reinstalling my computer. Highly recommend him for any service he offers!! Great business great owner great serv…
Super smooth transaction, fast shipping, faster turnaround. My smarty was locked by previous owner and within a week i had a tuned and ready to go truck. Thanks again! Will definitely be recommending