Outstanding tech support , help me get set up. Program is easy to use and increase in preform is great, much better than the chip I previously tried.
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The Orion Reflash System for Navistar® can improve your driving experience by:
Everything regarding Orion Licensing and Orion file transferring will happen through the Orion Reflash Portal. To use the Orion Portal, you will need to create an account on the Orion Portal Page.
Once you purchase the Orion Reflash System, we will send you the needed hardware and a License Key. You will use the hardware and a Windows laptop to read the vehicle’s base file. You will send us that base file via the Orion Portal (https://portal.orionreflash.com/) , we will re-work that file and load the updated files in the Orion Portal for you. You fill then use the hardware and your laptop to upload the new file into your vehicle.
With the Orion Reflash System for Navistar® from Power Hungry Performance, improving the power, drivability, and fuel economy of your Navistar® equipped vehicle has never been easier. Just plug in, reflash, and achieve the performance that these vehicles are capable of!
Please note: modifications to the vehicle may require alterations to the standard reflash, which will cost an additional $300. These modifications may include but are not limited to aftermarket injectors or HPOPs. If you need a custom reflash, please add the Orion Custom Reflash to your order. If you have any questions, please call.
IDM / FICM tuning is available for certain vehicles. IDM / FICM tuning is required on certain vehicles running aftermarket injectors. IDM / FICM tuning is an additional $150. If you have any questions regarding your setup, please call.
For Refunds and Tracking, please email support@phptune.com
Power Hungry Performance
Return & Refund Policy
Simple. Fair. Built for Diesel Folks.
At Power Hungry Performance, we believe returning a product
should be straightforward—not frustrating. If something’s not right, we’ll work with you to make it right. If you're having an issue or need any help: call our office, email our support team (support@phptune.com), or complete our Support Form. Our team knows these products inside and out and can troubleshoot most issues in minutes. We are in the office M-F, 9am-5pm EST.
Most items can be returned within 30 days of delivery.
No complicated RMA process required—just give us a call or complete our Support Form before sending
anything back. We’ll confirm whether your item qualifies for a refund or exchange and walk you through next steps.
Once we receive and inspect your return, we’ll begin processing your refund:
We ask that customers cover return shipping costs and use a trackable service when possible. This ensures your return arrives safely and avoids delays. Please pack your item securely to prevent damage during transit—our team will inspect everything once it arrives. Not sure how to ship something back? We’re happy to guide you.
Our goal is to keep the process smooth, respectful of your time, and grounded in the same trust and reliability we put into everything we build. We’ve designed every part of our return process to give you peace of mind. If it’s after hours or our phone lines are tied up, just fill out the Support Form and we’ll follow up as soon as possible. Either way, we’ll get you sorted and back on the road fast.
Ready to Start a Return?
Just call us at (678)890-1110 or complete the Support Form.
We’ll take it from there.
The 1998 vehicles are a split year and may have the “older” PCM style, which will NOT work with our Orion Reflash System. That PCM would use a specialty Hydra Chip. Give us a call for details on the 1994-1998 vehicles. Check the gallery for PCM references.
When ordering Orion, please verify your connector using the image below.

The Orion Reflash System requires a Windows laptop!
The Orion Reflash System for Navistar® has been developed to help improve the performance, drivability, and economy of the 1998 – 2006 model year Navistar® equipped vehicles. This includes the 3000 Series (School Buses) and the 4000 Series (Single Cab and Crew Cab Trucks). With power increases approaching as much as 100 HP over a stock configuration †, you will be able to achieve the performance, acceleration, fuel economy you need.
Power Hungry Performance has leveraged its decades of tuning experience and familiarity with the 7.3L platform to developed tuning for the T444e-equipped vehicles that rivals the performance of its Ford F-Series cousin. But, it doesn’t end there. Due to the similarities in engine management and HEUI Injection, we are also able to provide tuning for the VT275, VT365, DT466, DT530, and DT570 applications as well, achieving similar gains in performance and economy.
The Orion Reflash System for Navistar® can improve your driving experience by:
Everything regarding Orion Licensing and Orion file transferring will happen through the Orion Reflash Portal. To use the Orion Portal, you will need to create an account on the Orion Portal Page.
Once you purchase the Orion Reflash System, we will send you the needed hardware and a License Key. You will use the hardware and a Windows laptop to read the vehicle’s base file. You will send us that base file via the Orion Portal (https://portal.orionreflash.com/) , we will re-work that file and load the updated files in the Orion Portal for you. You fill then use the hardware and your laptop to upload the new file into your vehicle.
With the Orion Reflash System for Navistar® from Power Hungry Performance, improving the power, drivability, and fuel economy of your Navistar® equipped vehicle has never been easier. Just plug in, reflash, and achieve the performance that these vehicles are capable of!
The latest Orion Reflash Software version is v1.01.0302.
The installer is available at: Click Here
The latest Orion Reflash Software German version is v1.01.0270.
The installer is available at: Click Here
The latest version of the Orion Reflash User Guide is available at: Click Here
The latest Orion Lite Diagnostics Software version is v1.01.0298.
The installer is available at: Click Here
The latest version of the Orion Lite Diagnostics User Guide is available at: Click Here
Please note: modifications to the vehicle may require alterations to the standard reflash, which will cost an additional $300. These modifications may include but are not limited to aftermarket injectors or HPOPs. If you need a custom reflash, please add the Orion Custom Reflash to your order. If you have any questions, please call.
IDM / FICM tuning is available for certain vehicles. IDM / FICM tuning is required on certain vehicles running aftermarket injectors. IDM / FICM tuning is an additional $150. If you have any questions regarding your setup, please call.
Restrictions: This item is not for sale or use in California due to BS CARB regulations. Thank you for your understanding.
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SKU:
Type: Orion
Vendor: Power Hungry Performance
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