This is a In-Cowl .61-.75 Muffler for the
Top Flite P-40 Warhawk, P-51 Mustang and AT-6 Texan.
FEATURES: Completely Conceals Inside the Cowl
Bolts Directly to the Firewall for Maximum Security
For use on .60-.75 2-Stroke Engines. ** NOT FOR .90 OR LARGER **
INCLUDES: Muffler, Firewall mounting screws (2), Pressure fitting, Pressure
Fitting Gasket, Silicone Mounting Washers (2), Pressure Plug Screw.
SPECS: Muffler- 3¼" Length 1 9/16" Diameter
Exhaust Port- ½" OD ¾" Long
(2) Silicone washers- ½" OD 3/32" Wide
(2) Wood screws- 20/32" Length
Pressure fitting- 6-32 Threads
Pressure fitting gasket- ¼" OD 1/32" Thick
Pressure fitting screw- 6-32 Threads
TOPQ7920 O.S. exhaust header for .61 SF or FX 2-stroke
*** not for use on ST90 or OS91 2 stroke engines.*** JS 12-8-93
The muffler is too restrictive for ANY 90 sized ir/jl
engine and will cause overheating problems.
SuperTigre exhaust header for G75
COMMENTS: Don't use this one with OS 65AX engine, it doesn't have exhaust
header, which is not available separately. Instead, use TOPQ7920.