This is a "Silencer Body" for Harley Davidsson M50 S 1966.
I modeled this for a friend using a existing part provided by him.
Those looking for this part probably knows more about it than i do.
Swedish CadCam addict hooked on 3D printing.
3D Printing evangelist and Open Source advocate.
Author of The OpenR/C Project and The OpenRailway Project.