CESSNA 172R & 172S Exhaust System Itemized Parts List
| Item | Part # | Description | Condition |
|---|---|---|---|
| 01 | A9954100-9 | MUFFLER – INCONEL – NO INTERNAL BAFFLE REQUIRED | NEW PMA |
| 01 | A1754001-23 | MUFFLER – ALTERNATE FOR A9954100-9 – NO INTERNAL BAFFLE – STAINLESS STEEL | NEW PMA |
| 02 | A1754007-1 | RISER – RH – REAR – 2 BOLT FLANGE – STAINLESS STEEL | OVERHAUL |
| 02 | 9954100-4 | RISER – RH – REAR – 2 BOLT FLANGE – REPLACE BY A1754007-1 | OVERHAUL |
| 03 | A9954100-5 | RISER – LH – REAR – 2 BOLT FLANGE – STAINLESS STEEL | NEW PMA |
| 03 | 9954100-5 | RISER – LH – REAR – 2 BOLT FLANGE – REPLACED BY A9954100-5 | OVERHAUL |
| 04 | A9954100-6 | RISER – LH – FWD – 2 BOLT FLANGE – STAINLESS STEEL | NEW PMA |
| 04 | 9954100-6 | RISER – LH – FWD – 2 BOLT FLANGE – REPLACED BY A9954100-6 | OVERHAUL |
| 05 | A1754010-1 | RISER – RH – FWD – 2 BOLT FLANGE – STAINLESS STEEL | NEW PMA |
| 05 | 9954100-7 | RISER – RH – FWD -2 BOLT FLANGE – REPLACED BY A1754010-1 | OVERHAUL |
| 06 | A9954100-3 | SHROUD MUFFLER – 2 PC. | NEW PMA |
| 06 | 9954100-3 | SHROUD – MUFFLER -2 PC. – REPLACED WITH A9954100-3 | OVERHAUL |
| 07 | A0750161-25 | CLAMP – RISER – 1.75″ – EACH – ORDER 2 FOR SET – INCLUDES HARDWARE | NEW PMA |
| N/S | 77611 | CYLINDER GASKET WITH HARDWARE | NEW |
| OTHER COMPATIBLE COMPONENTS | |||
| 01 | A1754001-25 | MUFFLER – NO BAFFLES – 15″ TAILPIPE | New PMA |
| 01 | A1754001-23 | MUFFLER – NO BAFFLES – 13″ TAILPIPE | New PMA |
Details
Muffler body is Inconel, with out an internal baffle.
Risers are Stainless Steel
Look for yellow stains at base of tailpipe, muffler tends to crack inside the can and leak at the back of the tailpipe support.
Pressure test muffler with soapy water to check for leaks.
13″ Tailpipe