AMERICAN CHAMPION AIRCRAFT Citabria Dual Muffler Exhaust System Itemized Parts List
| Item | Part # | Description | Condition |
|---|---|---|---|
| 01 | A3-1079 | MUFFLER – LH – WITHOUT TAILPIPE | NEW PMA |
| 02 | A3-1079 | MUFFLER – RH – WITHOUT TAILPIPE | NEW PMA |
| 03 | A3-1493L | MUFFLER – LH | NEW PMA |
| 04 | A3-1493R | MUFFLER – RH | NEW PMA |
| 05 | 2-1538 | TAILPIPE | OVERHAUL |
| 06 | 7-1330-2AWL | STACK – FRONT | NEW |
| 07 | 7-1331-2AWL | STACK – REAR | NEW |
| 08 | 4-1103 | SHROUD – RH – 2″ PORT | OVERHAUL |
| 09 | 4-1106 | SHROUD – LH – 3″ PORT | OVERHAUL |
| N/S | 77611 | CYLINDER GASKET WITH HARDWARE | NEW |
Details
AD 80-21-06 Every 100 hours or 12 months inspect muffler baffle, replace if any cracks are found.
1966 – 1974 used the crossover with 2 mufflers system.
8KCAB used this system.
Internal baffles are required for mufflers to be airworthy.