What kind of truck do you have(LB7, LLY, LBZ?), that can change your options about what can be done. And im not sure how much power you would actually gain (Im still kind of new to these diesels) I know it will help out if you have a tunner because the tunner will be fuelling more and the added boost would force more air in and clean up some of the smoke thats just wasted fuel.
Also if you could fill out your sig with year of truck, trans, and mods soforth. It just help every one answer easier when you have a question.
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