Press Release

Issued by Nicrocraft.

February 8, 2023

Nicrocraft, the Wall Colmonoy brand for aircraft exhaust systems, is pleased to announce FAA-PMA certification for its Piper PA-44 Seminole exhaust risers. The Piper Seminole is an ideal training aircraft, transitioning pilots from single to multi-engine flying.

These exhaust risers are constructed of heat resistant 321 stainless steel to provide maximum reliability, corrosion resistance and service life. Each part is covered by the industry's strongest warranty starting from the day of installation: 12 months, unlimited hours.

TheNicrocraft brand FAA-PMA part numbers are WCC89366-003 (Riser, Left Front), WCC89366-011 (Riser, Left Rear), (L to R): Left Front (WCC89366-003), Left Rear (WCC89366-011), Right Front (WCC86202-004), Right Rear (WCC89366-005)WCC86202-004 (Riser, Right Front), and WCC89366-005 (Riser, Right Rear). The risers are eligible for installation on 1979 to present day Piper PA-44 Seminole models powered by two Lycoming 180 horsepower O-360 engines.