[quote=Bikeguy Joe;10713]I was considering the "mousse can muffler" but I cvan't find a can of mousse that big! Maybe a similar can from another product that will meet the volume needed?
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Hmmm, I wonder....can multiple ones be daisy-chained? That way it could more easily follow curves to the rear. I'm guessing not, because the point is to expel the gas at a lower velocity from the expansion of same quantity of gas, right? But then again, I remember the mousse can one attached to stock muffler's output; in effect, daisy-chained.

I think I may have seen either a sports drink or alcoholic beverage in a large volume aluminum can shaped like a bottle. Will have to research.