2011 F250 6.7L diesel bully dog gt tuner

[tnester]

I have the bully dog gt tuner for my 2011 F250 6.7L, and was wondering if running on extreme will hurt my truck, any advice is much appreciated!

[Sales@Tunertools]

I have the bully dog gt tuner for my 2011 F250 6.7L, and was wondering if running on extreme will hurt my truck, any advice is much appreciated!

Extreme mode with the Bully Dog GT Tuner should only be used when the truck is empty, or very light loads or for very short durations when pulling a load (like a sled pull?) AND it is important to continuously monitor Exhaust Gas Temperature while doing so as the temperatures are likely to rise beyond safe areas under load. It is also recommended that the exhaust be modified/replaced to a larger diameter and more free flowing system to help keep EGT lower.