my $.02
I would go with the Atlas 40, roll back to VXCF4 and get custom tunes without EGR loaded into the CTS. To take care of the CEL you will get, after the delete.
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19 F-350 6.7 Auto
16 F-350 6.7 Auto
05 Excursion 6.0, Auto, PHP Atlas 40 FICM, ARP Studs VXBC6(truck PCM)
00 F-350 7.3, 12 Speed, PHP Gryphon, PHP hydra, DAC3
95 F-Superduty 7.3 DI, Auto, Mechanics Truck
94 F-Superduty 7.3 DI, 5 speed, Flatbed
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