H&S Kit lag?

[CATDiezel]

It is the tuning. I have the same turbo...I did one mod and my truck did the same thing, it would not spool until 2500. Had my tuner make some changes and it was back to normal.

What was the one mod you did that caused that issue?

 

[sootie]

What was the one mod you did that caused that issue?

intake i bet...

 

[ChattyCathy]

intake i bet...

Yep