Power Flow Aircraft Exhaust new and improved intermediate tube design for 2nd generation exhaust systems for C172, C177 and PA28-140. Since 2003, the intermediate tube has been made with an integral ball joint to allow for flexibility between the large external tailpipe and the collector assembly.

Flexibility in the tailpipe ball joint is advantageous because it buffers the tailpipe assembly from the shock and vibration associated with engine startup and normal operations. A drawback of the original design is that if the ball joint is not kept lubricated and free to move, it can seize-up and thereby subject the tailpipe and/or the collector assembly to excessive stress.

With our new revision, that critical item is reconfigured as a discrete component to improve maintainability and improve long term reliability.

Additional information can be found here: [ Ссылка ]

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