Best mods for 6.7

[ALehman]

What are the best mods for the 6. 7 both engine and the truck itself?

 

[JDiepstra]

Swap in a 5. 9. Ha ha ha just kiddin around.

 

[RVanWagnen]

buy somebodys dpf delete that comes with a new down pipe, do the egr delete, cold air intake and an edge juice. then enjoy a better running smoother more fuel efficient 6. 7

 

[mcurtice1]

Cold Air Intake. I get 18-20 mpg running 65-70 mph on the freeway with this one mod (AEM Brute Force). (14k on the truck)

 

[HBarlow]

None. That's my choice.