Scr catalytic coating on particulate filters

A particulate filter comprising:

• a honeycomb body comprising an inlet end and an outlet end comprising a plurality of porous channel walls extending in an axial direction from the inlet end to the outlet end and defining a honeycomb body axial length La, the plurality of porous channel walls defining channels extending from the inlet end to the outlet end, wherein at least a first set of the channels are plugged, the honeycomb body further comprising an upstream zone having an upstream zone gas permeability and a downstream zone disposed closer to the outlet end than the upstream zone and having a downstream zone gas permeability, and the upstream zone has an upstream zone axial length Lu that is less than the honeycomb body axial length La, and the plurality of porous channel walls of the honeycomb body comprises a selective catalytic reduction (SCR) catalyst that promotes selective catalytic reduction of NOx, and the SCR catalyst is present in a loading in the downstream zone at localized loading in a range of from about 50 g/L to about 200 g/L such that the upstream zone gas permeability is in a range of about 5 to about 90 times the downstream zone gas permeability.