I found a other solution
Set teh nav mesh data in NPC to abstract and also in agent and the NPC ignore the navmesh recast value and use its own values so any type of npc has his own behavior on navmesh
I found a other solution
Set teh nav mesh data in NPC to abstract and also in agent and the NPC ignore the navmesh recast value and use its own values so any type of npc has his own behavior on navmesh