[fatlazyless]

Switchable exhausts is a mechanical device on the boat's exhaust system that formerly was considered to be not legal, but was recently made legal due to a recently passed law. I honestly have no real idea what the switchable exhaust does in terms of making the lake more quiet or more noisy, but considering the list of known associates listed under the two above posts, something tells me that we are probably looking at the switchable exhaust law with opposite opinions on it.