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Quality is one of their most important core values. Dr. Jekill & Mr. Hyde | The Exhaust does not only look and sound great, it also needs to be a reliable and high quality product. On this page you will find out which different parts make their exhaust system the best on the market.

All of their exhaust systems need to withstand all kinds of extreme (weather)conditions and extreme heat. Therefore they are thoroughly tested, before going into production. When all the tests are passed and an exhaust becomes available to the public, only the highest quality materials are used for the production which are all sourced from trusted suppliers in Europe.

Dr. Jekill & Mr. Hyde | The Exhaust offers a beautifully designed exhaust. This is a result of German engineering and Dutch craftsmanship with state of the art technology, perfectly crafted by the best engineers in town.


Their electronically controlled and adjustable system allows riders to open and close the exhaust valve with a push of a button. Choosing Dr. Jekill & Mr. Hyde means choosing the best quality. Every Dr. Jekill & Mr. Hyde exhaust system has an integrated switch in a high quality clutch housing, with an optimal fit between all other components on the handlebars. Also the color of the button integrates perfectly. This way it looks like it's part of the original setup. The button is fully weather-resistant and flickers a red light when activated for your convenience.

Quality Switch for your custom Dr. Jekill & Mr. Hyde Exhaust


The valve is the heart of their product and makes their exhaust system truly unique. Thanks to the valve, their exhaust systems are electronically adjustable in three positions. They strive for the best riding experience, so the valve must always function optimally in every situation. One of the main reasons they can achieve is that we use a solid valve.

Their valve is milled from a block of pure solid metal. This prevents the valve from deforming and it absorbs the vibrations, giving you a stable and better sounding product. The valve housing is double layered with a ball joint, because during the heating phase while riding you want to keep the resistance as low as possible at all stages.

Solid Valve for your custom Dr. Jekill & Mr. Hyde Exhaust

Dr. Jekill & Mr. Hyde is the only exhaust manufacturer with a valve that is fully sealed. The valve is chemically nickel-plated and therefore enters the pores of the steel, thereby boosting the hardening and protects against corrosion. The valve is welded in the middle, which gives the exhaust gases the possibility to bypass. The optimum position for sound, performance and emission and not visible from outside, which fits with our clean optic perfectly.


Every Dr. Jekill & Mr. Hyde’s exhaust system contains premium absorption fabric just below the body sleeve. Our glass wool is heat resistant up to 800 degrees. They do not work with loose fibers, but with one single thread. With this they guarantee an optimal lifespan. The thread is held in place by a temperature blanket, also used by NASA for the space shuttle. This blanket prevents the temperature from being passed on to the body. As a result, no discoloration occurs.

The absorption fabric is one of the main reasons their exhausts provide a nice damping; it filters the high and mid tones from the exhaust sound which result in the typical Dr. Jekill & Mr. Hyde character and optimal emission values.

Premium Fabric for your custom Dr. Jekill & Mr. Hyde Exhaust


Every Dr. Jekill & Mr. Hyde system is built-to-order, which makes it customer-specific and therefore unique. All of their systems are assembled and checked in three different stages to ensure the high standards they expect from their products. Than each exhaust system is then given a unique serial number. This, among other things, optimizes traceability so that we can view all information about your unique exhaust system.

Serial Number for your custom Dr. Jekill & Mr. Hyde Exhaust


At Dr. Jekill & Mr. Hyde it’s all about choice, choose your sound and choose your exhaust. But this also applies on a more detailed level, like for example your end caps. Dr. Jekill & Mr. Hyde offers a wide array of end caps in different colors. And you know what is the coolest thing? If you want to give your bike a different look, you can simply change them.

Interchangeable End Caps for your custom Dr. Jekill & Mr. Hyde Exhaust


Because of the endless range of possibilities of exhaust configurations, we do not have in stock every pre-assembled systems. When you make a configuration that is not in stock and decide to order it, the configuration lands in their production facility. Upon receiving your order, all parts are collected and the exhaust gets assembled according to your preferences. That makes every system unique and built for you!

Your custom Dr. Jekill & Mr. Hyde Exhaust is built to order


Because of the unique number on your exhaust, the system is always traceable. No don’t worry, big brother is not watching you. We don’t know where you are riding, but should you ever encounter a problem with your exhaust, this unique number provides us with necessary information to help you out. We can see when the exhaust was made your motorcycle model and your specific exhaust configuration to help you out.

Your custom Dr. Jekill & Mr. Hyde Exhaust is always traceable