The only thing that worked for me was the Happi box filter. I tried everything else and the dealership also gave up on it. I tried the filter and its been great for the past couple of years.
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'99 3500 QC SLT Laramie, Leather. 4x4 auto trans, Suncoast VB, TSC 89% TC, Firestorm2 inj, Edge w/Attitude, Raptor lp, Glacier F/W Separator Combo, 4" Str8t Exhaust, High Flow Intake, Ats Exh manifold, Super B turbo. Amsoil dual filters. Non 53. Original owner.