This is a Muffler Header for Top Flite In-Cowl Muffler.

FEATURES: 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)****

INCLUDES: One Exhaust Header
One Silicone Coupling

SPECS: Header: 2-6/10" Long
2/4" Wide
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
9/10" OD

REQUIRES: 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)