This is a Bolt-On Pitts Muffler for the OS 40SF, 46SF, .40FX, .46FX, 46AX, .50SX and 55AX Engines. Pitts-Style Mufflers are used on engines that are Side-Mounted (lying on their
side) Inside a Cowl. This routes the exhaust out the bottom of the cowl.
Bisson O.S. .46 SF/FX .50 SX Pitts Muffler 04046
Overall Width: 3-3/16"
Overall Depth: 1-3/4"
Height (not including exhaust tubes): 1-1/4"
Length of Exhaust Tubes: 2-7/16" (may be cut shorter)
Tube Outer Diameter: 7/16"
Pitts Muffler (with brass pressure fitting installed)
This muffler does not come with the mounting screws, use the screws that come with the engine (or use OSMG6914)