Leading Edge Exhaust System for your PA-22/20 Piper comes complete with STC SA00633DE. And an Alternate Means of Compliance letter removing AD 68-05-01 muffler inspection to the annual inspection. No more 50/100-hour inspection.



Learn More


Leading Edge Exhaust System (LEES) designed by Dain Wagner. Powerflow Exhaust acquired LEES and has been going through the long process to bring LEES back into production due to covid-19 and damage by a hurricane. Power flow is anticipating the first run of LEES for the PA-22/20 Pacer Tripacers in the 2nd quarter if 2023. You can be in the “Q” with a deposit of $750. When your system goes into production another $750 is required and upon the shipping date the balance of $4,250 will be due. Order yours now by clicking on the link: Secure Payment Link For K W Aviation for a secure order.