how can i lower my egts i can get them to 1400 to 1500 easy when pulling but i dont let them get over 1250 cuz thats what international says u cant run it over so i heard why to cummins run so much cooler my friend cant get his cummins over 900 and he has more power just in fuel no air mods i have a ts chip ported ats housing cold air and alot of other mods

 

You probably have up-pipe leaks. If the up-pipes are leaking, you are loosing valuable power to spin the turbine wheel.

If you are running in a tune that is not meant for pulling, you are probably running to low of an RPM too, try downshifting.

 

You need rpm's to cool. You can also change out the exhaust side of the turbo to a 1.0 or 1.15 to help keep it cool.