Bill,
The dual large outlet muffler is the one I have & yes it does drone between 2200-2900rpm.
I guess I will try this solution and see what it does.
My question or hesitation is: I dont know if slowing exhaust flow out of one outlet on the muffler will create back pressure issues on one bank of the cylinders and not on another - thereby unevenly stressing the motor??
I suppose this wont be an issue if the exhaust gasses are mixed inside the muffler, but I cant see that without cutting it open, and I dont want to do that.
Quote:
Originally Posted by Bill Verburg
Check the muffler outlets at the can, you have to remove the tips to see clearly. Early B&B had 2x full size outlets, and would drone, later ones had a full size outlet on one side but only a pinky sized outlet on the other side, no drone
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