Diesel Bombers - New here and lookin for more 6.7 knowledge

Hey everyone,
Again new to this website and just looking for insight and more knowledge on my 6.7.
I have an 08 dodge megacab laramie 4x4 6.7 cummins list of completed modifications.
ATS AURORA 5000 TURBO SYSTEM
ATS STAGE 4 TRANSMISSION WITH COPILOT
AFE STAGE 2 MAGNUM FORCE COLD AIR
170 OVER INJECTORS WITH UPGRADED FUEL SYSTEM
MACHINED FLATTENED, WORKED HEADS
ARP HEAD STUDS,
VALVE SPRINGS
SMARTY S67 PROGRAMMER STAYS ON SW9
5" EXHAUST
AIR RIDE & ROUGH COUNTRY SUSPENSION
35×12.50 MUD HOGS
TRIPLE GAUGE POD FOR EGT, TRANS TEMP, BOOST
IM POSITIVE IM LEAVING SOME STUFF OUT BUT THE REST I CAN THINK OF IS COSMETIC.
any good suggestions on other modifications to lower egts and more hp would be appreciated? right now I'll take any and all advice. Also I tried updating my smarty last night and it kept telling me the software wasn't supported for my tuner? And I double checked everything? Anybody ever have that problem?
Thanks for reading and again any and all advice would be Great! !!!