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I too have the Banks Big Hoss. 7 levels of power. 1 thru 3 have minimal smoke, but 4-7 any quick blips of the throttle....smoke. level 7, I cloud the road and haul some serious dually A$$.
black smoke on a stock truck is unacceptable for me. it could be carbon but more than likely it is diesel smoke. egr maybe opening up bleeding off boost or turbo could be malfunctioning.
