This worlds only true pusher muffler is brought to you by quess who? Yes, we leave no stone left unturned. Something for every special modeler. This model SM-D for delta pushers and the like, is one of the best kept secrets. Todays popular simulated jets require engines in the tail pushing the plane.
This muffler directs your fuselage. The SM-D is rated for engine sizes .40.75 cu. in.