How often do you look at your car's exhaust pipe? Do you even think about it?
That tiny piece of metal protruding at the back of your car may be one of, if not the most frequently ignored part of the car. Maybe because of its size or its location, which is at the farthest the eyes can see, you don't really pay so much attention to the tailpipe.
Yes, the exhaust pipe is just a minuscule part of the vehicle but its importance is incomparable to its size. Without the tailpipe, all the waste gases from the combustion engine remain inside. The exhaust pipe is the only outlet where gas emissions exit.
As a part of the whole exhaust system, the pipe is always exposed to high temperature, vibration, dirt, that makes is prone to corrosion. A good exhaust pipe should be able to withstand all of these, so if you want to maximize the power of your tailpipe, here are some of the features that a good pipe should have.
A good exhaust pipe resists corrosion.
Extremely hot temperature, high humidity, and other weather factors can lead to corrosion. If you are shopping for a pipe, you should pick the one that is made from high-grade materials that can combat rust. Pipes made from stainless steel are 100% rust resistant. They are very durable; they can last the life of your car.
A good exhaust pipe can hold up high temperature.
Most pipes are made from iron and steel and these materials conduct heat. Some metals, when exposed to heat, they corrode and change color easily. Also, pure metals are too heavy and hard to be made into pipes. Good thing there are nickel-chromium-based alloys that are commonly used for making exhaust pipes. These alloys are lighter and more malleable than other metals. At high temperature, these alloys remain strong. Most pipe manufacturer use this kind of metal because they can be shaped and cut into thin sheets and yet remains highly adaptive to extreme heat.
A good exhaust pipe does not chip or flake.
Over time, tailpipes become weak and fragile. Old exhaust pipes tend to chip and flake as if they are decaying. The oxidation process is what makes the pipe become just like that. So again, when buying an exhaust pipe, look for the ones that are made from silicon-molybdenum cast iron or spheroidal graphite. These materials are proven to be strong against the effects of oxidation.