This exhaust system is for use with the 150 Hp SuperCub.
Super Performance*- Gain 16Hp and 27lb/ft of torque when engine is leaned to best rpm. The gain in Hp and torque difference was accomplished using the same engine and comparing the OEM (stock) Super Cub exhaust system and Leading Edge Exhaust Systems P/N: PA-18-150ESA.
Note: The following information was obtained doing static pulls on an aircraft engine dynamometer as all of the dyno pulls are done. It is being presented for everyone that assumes when baffles are removed from the muffler the engine will produce more horsepower and torque.
The test results will probably surprise you. With no baffles in muffler and the engine leaned to peak rpm the engine lost 2 Hp and 7lb/ft of torque and in the full rich mode the loss was an additional 3 Hp and 3lb/ ft of torque. The total loss was 5Hp and 10lb/ft of torque, full rich, when compared to the dyno test using the same Leading Edge Super Cub Exhaust System PA-18-150ESA with muffler baffles installed, leaned to best rpm.
The following models approved.
FAA/PMA Approved for the following models with150hp, 160hp, and 180hp Engines!!! PA-18, PA-18S, PA-18A, PA-18-105(special), PA-18S-105(special), PA-18-125(Army L-21A), PA-18S-125, PA-18AS-125, PA-18-135m(Army L21B), PA-18A-135, PA-18S-135, PA-18AS-135, PA-18-150-1, PA-18A-150, PA-18S-150, PA-18AS-150, PA-19 (Army L-18C), PA-19S
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