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

FEATURES: Provides the tightest possible in-cowl installation.
Designed for use with Supertigre .61, .75 engines
(header fits .90, but muffler is too restrictive for 90)

INCLUDES: One Exhaust Header
One Silicone Coupling
Two Mounting Screws

SPECS: Header: Length: 2-6/10" Width: 3/4"
Distance between mounting hole centers: 1-7/8"
Silicone Coupling: Length: 1" Outside Diameter: 9/10"
Mounting screws: 4X40mm Hex Head

REQUIRES: TOPQ7915 In-Cowl muffler for Top Flite P-40 and P-51 Gold edition.
ALSO requires 3.5x50mm or 6-32x2" screws.