judging by the length of mine, they probably wont end up in a good spot. The pipe would probably hit into the sprocket cover if they cleared the side of the engine from there
Mine are a bit different though, they have a removable end cap with a different shape and no baffles. Those ones ive seen described as "megaphones" i thought and im not exactly sure if mine are "cocktailshakers" thats just what the previous owner told me. Mine arent reproduction theyre real vintage also.