Piper J3 Exhaust System Itemized Parts List

Item Part # Description Condition
01 A71053-02 MUFFLER NEW PMA
02 71802-00 STACK - LH - 2 BOLT FLANGE OVERHAUL
03 70671-00 STACK - RH - 2 BOLT FLANGE OVERHAUL
04 74501-00 TAILPIPE OVERHAUL
05 70912-00 SHROUD - TAILPIPE OVERHAUL
06 70963-00 SHROUD - MUFFLER OVERHAUL
14 A14235-00 CLAMP - MUFFLER - 2" NEW PMA
NOT SHOWN 627429 GASKET WITH HARDWARE NEW

AD 68-05-01 for exhaust systems with less than 950 hours time in service, 100 hour repetitive inspection of entire exhaust system and internal inspection of muffler. For systems with 950 hours or more time in service, the inspection requirement is every 50 hours. Per the FAA, our overhauled parts qualify as zero time parts.

Check all parts for thinning of material and cracks.

Service Bulletin for tailpipe bail

Stacks & tailpipes are made from 321 SS