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For the best results and fastest service, please follow the instructions outlined in the images before ordering.

Orion Reflash System – Power Hungry Performance

Click link here to download Orion Reflash Software on a desktop or laptop.

 Click link here to view full Orion Manual Instructions.

Combining TS Performance’s decades of plug-and-play tuning expertise with Power Hungry Performance’s decades of advanced calibration and tuning experience, this collaboration takes the Orion Reflash System to the next level. Together, we can deliver a truly next-level tuning experience.

Take full control of your Navistar® engine with the Orion Reflash System. Designed for 1998–2006 Navistar® 3000, 4000, 5000, and 7000 Series trucks and buses, Orion unlocks the true potential of your engine while keeping installation simple and user-friendly.

Key Benefits:

  • Instant Power Gains – Increase horsepower by up to 100 HP over stock settings for stronger pulls, faster acceleration, and smoother drivability.
  • 7 Selectable Power Levels – Switch between 175 HP to 300 HP in seconds, adapting power to towing, hauling, or everyday driving.
  • Custom Calibration Files – Receive tailored tuning files directly from TS Performance to match your vehicle’s engine family and setup.
  • Adjustable Parameters – Fine-tune speed limiter, cruise control, idle speed, gear ratio, tire size, and more for total customization.
  • Plug & Play Simplicity – USB-based Orion hardware connects easily to your laptop and vehicle’s diagnostic port—no complicated wiring required.

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.

  • 3000 Series School Buses (both Front and Rear Engine)
  • 4000 Series (DuraStar) Medium Duty trucks
  • 5000 Series (PayStar) Heavy Duty trucks
  • 7000 Series (WorkStar) Heavy Duty trucks

Why Orion with TS Performance?

With decades of proven experience tuning Ford Power Stroke and Navistar® engines, TS Performance + Orion delivers unmatched reliability and performance. Whether you run school buses, tow trucks, or medium-duty box trucks, this system helps extend the life of your fleet while cutting costs with better drivability and fuel economy.

Boost performance, drivability, and fuel economy — all from your laptop

Orion Reflash System for International/Navistar

SKU 2110103
$1,695.00
$1,695.00
For the best results and fastest service, please follow the instructions outlined in the images before ordering.

Orion Reflash System – Power Hungry Performance

Click link here to download Orion Reflash Software on a desktop or laptop.

 Click link here to view full Orion Manual Instructions.

Combining TS Performance’s decades of plug-and-play tuning expertise with Power Hungry Performance’s decades of advanced calibration and tuning experience, this collaboration takes the Orion Reflash System to the next level. Together, we can deliver a truly next-level tuning experience.

Take full control of your Navistar® engine with the Orion Reflash System. Designed for 1998–2006 Navistar® 3000, 4000, 5000, and 7000 Series trucks and buses, Orion unlocks the true potential of your engine while keeping installation simple and user-friendly.

Key Benefits:

  • Instant Power Gains – Increase horsepower by up to 100 HP over stock settings for stronger pulls, faster acceleration, and smoother drivability.
  • 7 Selectable Power Levels – Switch between 175 HP to 300 HP in seconds, adapting power to towing, hauling, or everyday driving.
  • Custom Calibration Files – Receive tailored tuning files directly from TS Performance to match your vehicle’s engine family and setup.
  • Adjustable Parameters – Fine-tune speed limiter, cruise control, idle speed, gear ratio, tire size, and more for total customization.
  • Plug & Play Simplicity – USB-based Orion hardware connects easily to your laptop and vehicle’s diagnostic port—no complicated wiring required.

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.

  • 3000 Series School Buses (both Front and Rear Engine)
  • 4000 Series (DuraStar) Medium Duty trucks
  • 5000 Series (PayStar) Heavy Duty trucks
  • 7000 Series (WorkStar) Heavy Duty trucks

Why Orion with TS Performance?

With decades of proven experience tuning Ford Power Stroke and Navistar® engines, TS Performance + Orion delivers unmatched reliability and performance. Whether you run school buses, tow trucks, or medium-duty box trucks, this system helps extend the life of your fleet while cutting costs with better drivability and fuel economy.

Boost performance, drivability, and fuel economy — all from your laptop

FREQUENTLY BOUGHT TOGETHER