I installed it on my 2019 Street Bob. They are really noisy with a lot of rumble. I encountered stiff bolts on the factory muffler bracket and WD-40 saved the day. According to the description, the seal is not included. I didn't use a gasket and there is some air leaking from the joint between the muffler head and the header pipe, but not that much. I am happy and satisfied with delivery time, packaging and quality.
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