Molded of high temperature silicone, the 35° exhaust diverter
zip-ties to the exhaust stinger of the muffler. Photgraphed
in black, production units are actually molded in clear silicone so
you may better monitor the combustion process by the color of the
exhaust staining (where it first exits the stinger). The goal
is a warm honey tone versus a dark brown, which indicates the
engine is running too rich. These silicone exhaust diverters
are designed first and foremost to keep the exhaust further from
your model while not increasing the backpressure, which would
affect the performance of your engine/muffler package.
Consequently, the ID is larger than competing designs commmnly
available in hobby shops, which are molded in gray silicone.
Moreover, the dual ridges where it slips over the stinger permits
an even more secure mounting arrangement when the stinger is long
enough. This unit fits a wide variety of 50-class mufflers,
but is supplied OEM for the ProModeler v2 helicopter