The Civic 2002 (2) 4dr Ex (ka) Duct consists of eight pieces with the Duct Assy,inst being the most expensive.
Some items from this specific schematic: Seal B(side Def), Duct L,joint (lh), Duct,rear Heater, Screw,tapping,(po)4x.
In this schematic the "Screw,tapping,(po)4x" is used most often.