MUFFLER OS FS91 ENGINES 45925010

This is the F-4020 Muffler Assembly Used on the OS Max FS 91SII Pumped Surpass Engine.

FEATURES:

• Direct Stock Replacement Part.

• Aluminum Contstruction.

INCLUDES:

• One F-4020 Muffler w/Pre-Drilled Pressure Fitting Hole

• One Threaded Elbow (Header) w/Two Nut

SPECS:

• Length of Muffler: 4-1/4"

• Diameter of Muffler: 1"

• Length of Elbow: 1-7/8"

• Outside Diameter of Elbow: 3/8"

• Weight: 40g (1.4 oz)

COMMENTS:

• The Pre-Drilled Pressure Fitting Hole is Drilled, Tapped and 3.4 x 4mm Screw is Pre-Installed to Seal the Hole.