Customize your BMW GS with Dr. Jekill & Mr. Hyde | The Exhaust.
Endurance, power and comfort; the BMW GS combines it all. Complete this award-winning motorcycle with Dr. Jekill & Mr. Hyde | The Exhaust. Everything on your GS is adjustable, so why not your exhaust? Time to adjust your sound to the moment.
Who doesn’t love the GS Adventure?! Become one with the surroundings on your journey with Dr. Jekill & Mr. Hyde | The Exhaust. Designed to be ridden across continents over difficult terrain.
Many owners exploit only a fraction of its capability. Unleash the power of the BMW GS when you go off the tracks and let Mr. Hyde out!
The Exhaust for BMW GS Adventure is available for:
R 1250 GS // R 1250 RT // R 1200 GS // R 1200 GS Adventure // R 1250 GS Adventure
Choices define you and show your unique character to the world. Dr. Jekill & Mr. Hyde is all about that. Our electronically adjustable exhaust system gives you the freedom to choose, whoever you want to be. Whether you are gently cruising your GS through the city landscape, or giving it all off the beaten path; Dr. Jekill & Mr. Hyde offers you the sound that fits the momentum perfectly.
Tailor made - Dr. Jekill & Mr. Hyde | The Exhaust offers a beautifully designed exhaust, 100% street legal. This is a result of German engineering and Dutch craftsmanship with state of the art technology, crafted by the best engineers in town. With computer simulations, the building of prototypes and extensive testing, we’ve created a tailor made exhaust for the BMW GS.
Quality you can trust - Dr. Jekill & Mr. Hyde | The Exhaust does not only sound great, it’s also a very reliable and high quality product. All our exhaust systems need to withstand all kinds of extreme (weather) conditions and extreme heat. Therefore they are thoroughly tested before going into production. Only the highest quality materials are used for the production, which are all sourced from trusted suppliers in Europe.
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Everything on your GS is adjustable, why not your exhaust? That’s what we thought. Therefore our exhaust systems embody three distinct personalities: the Dr. Jekill mode, the dynamic mode and the Mr. Hyde mode. By a simple push of a button a valve inside the muffler closes, opens or opens halfway, giving your exhaust more power and performance. You can choose per situation whether you want to ride in the Dr. Jekill mode, dynamic mode or Mr. Hyde mode. It’s up to you.
Push 1x for
Dr. Jekill mode
Dr. jekill mode
Push 1x for
Mr. hyde mode
Mr. hyde mode
Push 2x for
“The Mr. Hyde mode allows me to communicate better with my motorcycle. Due to the different sound modes you get more feedback from your motorcycle, which helps, among other things, to signal when something is wrong with the motorcycle. For example when tires have to be replaced. Mr. Hyde mode really wakes you up during a long drive or when I go off-road; it activates and motivates you. It gives you a real fighting mentality."
“Dust, mud, extreme weather ... I ride a BMW GS as it is meant to be! A motorcycle that breathes adventure must occasionally go off the paved road and offroad! “I used to drive with an exhaust that had only one mode, which means that there was only one sound. This was not really contributing to the driving experience. Driving with a closed valve on the paved road and opening the valve off-road really adds an extra dimension to the driving experience; it feels like I have 3 different exhausts! It is a great concept: if you show it to other people, you get a lot of positive feedback."
“I love to ride along the shores of Gérardmer Lake (Vosges, France). A beautiful place full of walkers, cyclists and sports enthusiasts. When I drive here I always use the Dr. Jekill mode, which gives me the possibility to ride in stealth mode and not disturb anyone. But when I make my way back on the meandering roads of Col de Bonnefontaine I switch to the Mr. Hyde mode to enjoy the delicious rumble that echoes through the mountains around me and at the same time warn oncoming traffic that I am approaching. Great right ?”
"Mr. Hyde position (valve open) is also ideal if I am quietly riding through traffic jams. The heavier sound is more noticeable and combined with a small speed difference it has a huge effect on the reaction of cars and trucks. A clear plus for safety!”
"When you close the valve then the exhaust is quiet but sounds very smooth. Perfect for off road rides in nature or near residential areas. But when you open the valve and open the throttle, then the GS has a beautiful sound. Loud but not too loud, just perfect. It has a nice and dark sound."
Quality is one of our most important core values. Dr. Jekill & Mr. Hyde | The Exhaust does not only look great, it also needs to be a reliable and high quality product. All our 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 gives motorcyclists the ultimate riding experience with The Exhaust: an electronically adjustable exhaust system which makes it possible to choose between three different performance modes on the fly.
Every success starts out small. Even though Dr. Jekill & Mr. Hyde is now an established brand within the motorcycle world, it was only a little more than 20 years ago that Dr. Jekill & Mr. Hyde was merely an idea.
Back in 1997 when the first Dr. Jekill & Mr. Hyde systems were created the word ‘custom-made’ was the most appropriate term to describe the products. It did not matter which bike you rode, if it was a big cruiser or a racing rocket, an exhaust would be built especially for your bike. Because of the success of these exhaust systems and a good nose for business Jacques van de Kerkhof decided he wanted to invest in The Jekill and Hyde Company, under the condition that it would be professionalized.
The next step for The Jekill and Hyde Company was to build an exhaust that would be 100% legal and in compliance with European law. The engineers kept working hard on this, but never got to this point, until Jacques met Mario Müller. Mario already had a lot of experience as an engineer in the motorcycle industry. This cooperation finally resulted in the creation of an exhaust system that was 100% legal and in 2010 the European Type Approval was finally obtained. With still only 4 employees working for the company it was time to conquer the European market. The system proved to be successful, especially in countries where the law was strictly enforced regarding illegal exhaust systems, a Dr. Jekill & Mr. Hyde system was the ideal solution for all those who wanted to experience the ultimate riding feeling, without being afraid to end up on the wrong side of the law.
After Europe the step was taken to also provide the rest of the world with Dr. Jekill & Mr. Hyde | The Exhaust. After offices were set up in Germany, Switzerland and France, the company branched out in Canada, Singapore, Japan and more. Besides exploring new markets, the palette of brands The Jekill and Hyde Company develops exhaust systems for, keeps growing. Where there was first a focus on large big twin bikes like Harley-Davidson, Indian and Victory, it also became clear that more brands could use an upgrade with the Dr. Jekill & Mr. Hyde sound. First the R-series of BMW got added to the roster and subsequently it became possible to equip your KTM with a Dr. Jekill & Mr. Hyde | The Exhaust.
A lot has happened in the short time from an idea to a well-known brand and a lot has changed, yet the main principle has always stayed the same. The Jekill and Hyde Company still produces exhaust systems with three distinct personalities and keeps giving the motorcycle rider the ultimate riding experience.
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