Flex Pipe FS70-91S/70U/FL70/FS81A 240mm 1111B by O.S.

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This flexible tubing replaces your existing header and allows you to reroute your silencer farther away from the engine or cowl. This ONLY fits the following engines: FS-90 (old), FS-120 (old), FS-70 Surpass, FS-91 Surpass, FT-120 II FT-160 Features: Uses the silencer that came with the engine (it replaces the header) Comes in 2 lengths 120mm (OSMG2684) and 240mm (this one) Reroutes the exhaust to a more convenient location Includes: One Flexible Exhaust Tube (male threads on both ends) Two Pipe nuts Specs: Length (neglecting threaded part): 240mm (9.45) Length (overall): 263mm (10.35) Thread Size on Nut: 10.5mm Diameter of Flex Pipe: 12mm (.47) *** SCROLL FOR MORE INFO *** Comments: This pipe should NOT be bent in a diameter that is less than 4 times the radius of the pipe (44mm or 1.73) Bends in the pipe should be as far as possible AWAY from the threaded part of the pipe. Final adjustment should be made in steps of only 2-3¦ at a time. Repeated adjustment to alter the shape of the pipe will weaken the pipe and cause it to break. It is recommended that you use the EX exhaust headers with this flex pipe if you need a bend right at the exhaust outlet on the cylinder head. These are available in a within fuselage configuration (OSMG2624) and a outside fuselage configuration (OSMG2625). JBN 3.28.94 ir/jl

This product was added to our catalog on April 19, 2017