How Motorcycle Exhausts Cut Off Sound



If you have are in​ love with your bike, chances are you will be very, very particular about what sort of​ exhaust pipes you use. the​ right ones can make your machine look and​ feel like a​ million dollar baby or​ make it​ a​ design nightmare.

The motorcycle exhaust pipe has a​ very definite role to​ play in​ the​ dynamics of​ a​ bike. it​ directs the​ gases that come out of​ the​ combustion chamber, away from the​ machine and​ therefore the​ rider. Where do these gases come from and​ why is​ it​ important that they be directed away?

The combustion engine in​ a​ motorcycle creates a​ series of​ explosions that propel the​ bike forward. Since we are talking of​ explosive combustion, we are talking of​ noise and​ exhaust gases. Now if​ these gases were thrown out straight from the​ exhaust port, you would have a​ problem on your hands. the​ front tyres would gradually melt under the​ heat and​ what’s more, your machine would sound like a​ disgruntled missile.

That is​ why bike manufacturers design the​ exhaust pipes carefully. These pipes take the​ emitted gas away from the​ exhaust port, pass them through what we call a​ muffler or​ a​ silencer and​ then throw them away behind the​ bike, away from the​ rider. By the​ time the​ gases pass out of​ the​ exhaust, they have already cooled off and​ there is​ little chance of​ any unwanted combustion.

The technology used to​ silence the​ explosive gases is​ simple. the​ gases flow at​ a​ great speed into the​ motorcycle exhaust pipes, which are narrow. Then they enter the​ muffler, which has more space. as​ the​ gases expand into the​ body of​ the​ muffler, they slow down and​ lose some of​ the​ sound energy. There are perforated baffles in​ the​ muffler that reduce the​ noise further. So, by the​ time the​ gases emerge from the​ motorcycle exhaust pipes, the​ noise has been cut down to​ a​ reasonable level. it​ is​ also important to​ remember that a​ good exhaust design can increase the​ usable power generated by your bike’s engine.

Typically, motorcycle exhausts are of​ two kinds: the​ full exhaust system and​ the​ slip-on system. the​ full exhaust system connects the​ pipes to​ the​ head of​ the​ engine while the​ slip-on exhaust connects them to​ the​ opening where the​ muffler is. the​ former is​ ideal for​ those who run their machine at​ full throttle over long distance. the​ slip on exhaust system is​ usually used for​ street bikes. This allows a​ little more acceleration from the​ bike.





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