This is a Muffler Header for Top Flite In-Cowl Muffler.
Provides the tightest possible in-cowl installation.
Designed for use with O.S. 61SF and 61FX 2-stroke engines.
****NOT for 91 sized 2-strokes w/ TF muffler (too restrictive)****
One Exhaust Header
One Silicone Coupling
Header: 2-3/5" Long
Length of exhaust opening at engine 1"
Height of opening at engine 3/8" Distance between mounting hole centers: 1-11/16" Silicone coupling: 1" Long
TOPQ7915 In-Cowl Muffler for Top Flite P-40 and P-51 Gold edition.
ALSO 3.5x50mm or 6-32x2 screws (or use screws supplied with engine)
This also works for the Magnum .65 engine and the O.S. .60FP engines.
DO NOT attempt to use this header/muffler combination js12/8/93
on the 91FX. ir/jl
This header will also work with the .75AX (OSMG0575)
This will also work with the .65AX ABL (OSMG0558).
– If you need more information, use these Top Flite resources –
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