This Muffler Assembly is manufactured in a world class aerospace facility, using the highest quality materials, built by a team of expert fabricators and welders.
Grumman Part Number 099001-137 is Replaces by FAA Approved PMA A099001-137
FITS GRUMMAN MODELS:
AA1-0348 AND AA1-0420 – AA1-0459
AA7A-001 – AA1A-0470
AA1B-0001 AND UP