Bisson Pitts Muffler for the OS Max 1.60FX and BGX-1 3500 Engines. Aluminum Pitts muffler with two exhaust stacks. Engine is mounted lying on its side with exhaust pointing out the bottom of the airplane. 100% welded construction for less weight.
Height: 1-3/4" (with exhaust flange)
Stack Length: 3
Stack position: 2-1/4" (measured from the front of the muffler)
Stack Angle: 115? (measured from the front of the muffler) 65? angle to the rear
Distance between the mounting holes: 42mm