What is A Fresh Air Exhaust? Exhaust systems are an essential piece of boat engines but are usually ignored. When it comes to the exhaust systems, there are two principal choices for recreational boats: Wet or Dry. Ever wonder why an exhaust manifold looks like a big square piece of metal versus an automotive exhaust manifold with its tubes more prominent. The primary explanation is to assist the progression of water mixing in with the exhaust fumes, this sort of manifold would apply to a "wet" exhaust framework. A Fresh Air Exhaust system is like a tube inside a different pipe. The inner pipe carries hot gasses from the engine cylinders. The external pipe conveys colder seawater to cool the motor. Parts of Exhaust and their work: Our exhaust system is the last part of the motor. The exhaust coordinates the air and consumed fuel out of the motor and through the tailpipe, however, that isn't everything it does. The exhaust can likewise significantl