How to Update Your Terminator X EFI Firmware

Keeping your firmware updated is always a good idea if you're continuously making changes to your tune because you're upgrading the car, adding components to your system, or just chasing down a number or drivability optimization. Follow the instructions in this video to upgrade your firmware properly!

Download the latest Terminator X Firmware at the link below!

https://www.holley.com/support/resour...

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