A honeycomb body (300, 500, 600) comprising: a plurality of intersecting porous walls (322, 324, 522, 524, 622, 624) comprised of a plurality of radially-extending walls (322, 522, 622) and a plurality of circumferentially-extending walls (324, 524, 624), wherein the intersecting porous walls (322, 324, 522, 524, 622, 624) are comprised of porous ceramic material; wherein the plurality of radially-extending walls (322, 522, 622) and the plurality of circumferentially-extending walls (324, 524, 624) form a plurality of circumferential zones (324, 524, 624) of cells (308, 508, 608); and wherein the plurality of circumferential zones (334, 534, 634) of cells (308, 508, 608) comprises: a first zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608) and having a first cell density; and a second zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608), characterized in that the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) having cell densities that vary across the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) as a function of a distance of each ring (330, 520, 620, 630) of cells (308, 508, 608) to a center of the honeycomb body (300, 500, 600). a plurality of intersecting porous walls (322, 324, 522, 524, 622, 624) comprised of a plurality of radially-extending walls (322, 522, 622) and a plurality of circumferentially-extending walls (324, 524, 624), wherein the intersecting porous walls (322, 324, 522, 524, 622, 624) are comprised of porous ceramic material; wherein the plurality of radially-extending walls (322, 522, 622) and the plurality of circumferentially-extending walls (324, 524, 624) form a plurality of circumferential zones (324, 524, 624) of cells (308, 508, 608); and wherein the plurality of circumferential zones (334, 534, 634) of cells (308, 508, 608) comprises: a first zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608) and having a first cell density; and a second zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608), characterized in that the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) having cell densities that vary across the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) as a function of a distance of each ring (330, 520, 620, 630) of cells (308, 508, 608) to a center of the honeycomb body (300, 500, 600). a first zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608) and having a first cell density; and a second zone (334, 534, 634) of cells (308, 508, 608) comprising two or more rings (330, 520, 620, 630) of cells (308, 508, 608), characterized in that the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) having cell densities that vary across the two or more rings (330, 520, 620, 630) of cells (308, 508, 608) as a function of a distance of each ring (330, 520, 620, 630) of cells (308, 508, 608) to a center of the honeycomb body (300, 500, 600).