next mod??
 

So I'm looking for my next mod, but not sure exactly which should be next. I already have egr delete, headstuds, blue spring, sct with annovative tunes, gages, exhaust. So I'm guessing my next one should be a full regulated fuel system? I'm pushing 476 horse at crank now, so I'm not sure if it should be fuel system or maybe turbo. eventually I'm doing injectors, turbo, and fuel system. The truck is used as daily driver, and I pull gravity wagons in the fall, I also use it to pull my gooseneck with either tractors or mud trucks, so I'm looking for anywhere from 500-600 rwhp. Any ideas?

Get a ported intake manifold first. This allows for MUCH improved airflow. Once you decide what size injectors you would like then select a turbo and fuel system. In addition to a fuel system consider getting the fuel sump installed AirDog 100 or AirDog 150 could help prolong stock injector life.

i was considering 225cc/150 injectors from warren diesel, so I was thinking maybe a airdog 150 but I also heard that airdog can't keep up with fuel on the 6.0.

When you say a ported intake manifold, you talking about the intake elbow that the air filter flows through or are you talking the big U intake on top the motor?