Press Release

Wall Colmonoy is pleased to announce FAA-PMA certification on the Nicrocraft™ Piper® PA-28-181 Archer TX III forward and aft muffler assemblies.

Piper® Archer TX III forward and aft mufflers are constructed of heat resistant 321 stainless steel. The baffles are made of Inconel alloy to provide maximum reliability, corrosion resistance and service life.

Nicrocraft™ FAA-PMA part numbers are WCC85477-02 and WCC85477-05 and are eligible for installation on Piper® PA-28-181 Archer TX III, for S/N 2843001 and on, with Lycoming O-360-A4M engine.


Piper® Archer TX III is an ideal training aircraft for new students and instructors. “Flight Schools and Operators of Piper® Archer TX III Aircraft have been asking for a higher quality affordable alternative to the OEM, and we listened,” said Jim Lockbaum, Business Development Manager for Nicrocraft™.

Wall Colmonoy Corporation in Oklahoma City manufactures its exhaust products under the trademarked name Nicrocraft™ and distributes around the globe.  

Nicrocraft™ Mufflers & Heat Exchangers are manufactured at its state-of-the-art production facility by an expert engineering team including FAA-DER and FAA-DMIRs on staff, plus a full suite of fabrication equipment.

Nicrocraft™ exhaust components carry a full 12-month, unlimited hour warranty from the date of installation, not the date of order. FAA Form 8130-3, Airworthiness Approval Tag / Authorized Release Certificate available upon request.