The AFE 49-44081 Large Bore HD 5 Inch Filter-Back Exhaust System is the perfect upgrade for your 2016 LML Duramax. This 5" filter-back exhaust provides superior flow, thanks to its mandrel-bent aluminized steel construction. Your choice of black or polished exhaust tip gives you the ability to customize the look of your truck. This system also fits all crew and extended cab applications.