Why don’t bikers use stock exhaust pipes instead of having to spend a large amount of money to change to Titanium exhaust pipes?

From the exhaust of “decorated” cars in Vietnam to the entire exhaust system of world-class supercars, Titan has become a familiar material in the car world in general.

Origin and advantages of Titanium exhaust pipes compared to steel ones

When a vehicle’s weight increases, manufacturers find ways to make it lighter. It can be seen right away in the latest superbike models today, such as the Ducati Superleggera or Honda Fireblade, both of which use exhaust systems made of Titanium material.

In addition, colorful metal details created by heating this material are also something that is hard to miss on custom cars commonly found in Vietnam in particular.

Titan was first discovered in 1791 but it took nearly 200 years for it to become popular. In fact, it was not until 1969 when the Soviet Union built nuclear submarine hulls using Titanium that a series of studies on this material were carried out.

These studies led to the development of the titanium industry as we know it today. There are some disadvantages that Titan brings such as relatively high cost, weldability issues and difficult machining.

But the question is “Why are they so interested?” The answer is simple because parts made of Titanium are light in weight. Pure titanium has almost the same strength as steel but is only half the weight.

Titanium alloys have higher strength – which means load-bearing structural parts can be thinner and lighter than conventional steel. Thanks to that, parts made of Titanium will help the car reduce weight and improve performance.

What are the uses of Titan exhaust pipes compared to conventional exhaust pipes?

An exhaust system made from titanium instead of stainless steel will weigh up to 40% less. Titanium also has the added advantage of improving corrosion resistance and increasing the life of parts. In addition, thanks to its 30% higher thermal conductivity, thin-section headers can use titanium to radiate heat faster.

To protect itself, Titan will be passivated with a thin oxide layer and will not change its internal structure over decades. But regularly exposed to heat, the protective oxide layer will thicken. And when this coating thickens, it will look like a layer of oil on the surface of the water and refract light into iridescent colors. At first it will be light yellow, then this yellow gradually becomes darker.

The temperature of a vehicle’s exhaust system is usually similar to the temperature needed to create a blue coating. This discoloration is not an abnormal sign at all, this is just Titan’s natural reaction to the surrounding environment by accumulating an outer layer of oxide to protect itself. Once the headstock sections become yellow, the only way to return to their original state is to mechanically remove the oxide layer.

But note that this will make it thinner and there is no other way than this method if you want to have the same shine as the original.

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