Part Number: 0750161-67R (Stack: exhaust,engine,ohc) Part Number: 0750161-72 (Exhaust ay) Part Number: 0750161-77 (Stack ay) Part Number: 0750161-77R (Stack: exhaust,engine,ohc) Part Number: 0750161-78 (Stack ay) Part Number: 0750161-78R (Stack: exhaust,engine,ohc) Part Number: 0750161-8 (Muffler) Part Number: 0750161-82 (Shroud ay) Part Number: 0750161-85 (Tube) Part Number: 0750161-86 (Cessna 182 muffler only (less sh) Part Number: 0750161-87 (Shroud ay) Part Number: 0750161-87A (Shroud assy c-180/182/185) Part Number: 0750161-89 (Muffler ay) Part Number: 0750161-9 (Pipe tail)