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. / / INCLUDES: Pitts Muffler (with brass pressure fitting installed) / / SPECS: 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" / / REQUIRES: This muffler does not come with the mounting screws, use the screws / that come with the engine (or use #OSMG6914)
| Manufacturer | Bisson |
| Brand | Bisson Custom Mufflers |
| Item Weight | 1.6 ounces |
| Product Dimensions | 5.9 x 3.5 x 2.47 inches |
| Manufacturer Part Number | Bisson |
M**2
Five Stars
Good fit on OS 55LA.
A**R
Four Stars
Fast delivery and good product
S**S
Five Stars
Not installed in aircraft yet, but I am sure it will work well.
A**B
Five Stars
work great with my EVO .52
Trustpilot
1 week ago
2 months ago
