BMW GS exhaust - Dr. Jekill & Mr. Hyde | Electronically adjustable exhaust for motorcycles | Best sound | Street legal

BMW GS exhaust

BMWAdventure Exhaust

Endurance, power and comfort; the BMW GS Adventure combines it all. Complete these award-winning motorcycles with Dr. Jekill & Mr. Hyde | The Exhaust. Everything on your GS is adjustable, so why not also your exhaust? Time to adjust your sound to the moment.

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 moment 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.

The Exhaust for BMW GS Adventure is available for:
R 1250 GS // R 1200 GS // R 1200 GS Adventure // R 1250 GS Adventure

 

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Sound

We have developed an exhaust that gives you the possibility to adjust your sound to the moment and choose a different sound mode for every situation. The Nomad is adjustable, which makes it perfect for comfortable long distance touring or urban areas. 

If you want to become one with your surroundings and just enjoy the scenery around you, the silent and whispering Dr. Jekill mode is your go-to option. For a more pronounced sound take it up a notch with the Dynamic Mode. If you choose the unbeaten path and take the BMW GS Adventure off road or through a more rural area, it is time to unleash Mr. Hyde. The valve opens and you enjoy the deep rumble. Dr. Jekill & Mr. Hyde offers you the sound that is perfectly suited for every situation. 

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How it sounds

USE YOUR HEADPHONES FOR THE ULTIMATE EXPERIENCE Soundcheck

Listen and enjoy the different sound modes of the Dr. Jekill & Mr. Hyde Nomad exhaust for the BMW GS Adventure. 
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Dr. Jekill Mode
Mr. Hyde mode
Dynamic mode

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More silent than original

fits like a glove The Design

Form follows function. Our motto when creating The Nomad. But this doesn't mean we've taken it easy. On the contrary - the result is something to be proud of. We chose a design that blends in perfectly with the design of the bike as a whole. 

The Nomad Exhaust is available in different configurations. You can choose between a black and pearl grey body, with gloss carbon end caps with an aluminium core. Complete the look with suspension brackets that come in black. 

The indentation in the body of the exhaust matches that from the fuel tank and makes the exhaust an almost integral part of the bike. The high end carbon gives it a more sportier look and feel. The insert in the end cap gives a premium touch to the exhaust and is very recognizable from the back, even if the suitcases are mounted on the bike. A truly unique feature.

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bmw-gs-adventure-design

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Customize your own Dr. Jekill & Mr. Hyde | The Exhaust for BMW GS Adventure. Let’s build something beautiful.

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Fully compatible with a set of cases

To take the BMW GS on an adventure you need to be prepared. A set of cases is your go-to option when you start your journey. 

That is why the new Dr. Jekill & Mr. Hyde Nomad exhaust system is fully compatible with a set of cases on the bike. The exhaust perfectly fits, and the heat does not affect the cases. It goes without saying that this has been extensively investigated by our engineers and test-riders. Time to pack up and ride!

electronically adjustable exhaustDr. Jekill & Mr. Hyde | The Exhaust

The Jekill and Hyde Company gives motorcyclists the ultimate riding experience with The Exhaust. Our adjustable exhaust systems give you the possibility to adjust your sound to the moment and offers street legality, excellent performance, premium quality and 4 years warranty.

Dr. Jekill & Mr. Hyde | The Exhaust offers a completely street legal, premium quality exhaust with 4 years warranty. Our exhaust system makes it possible to choose between three different sound modes on the fly, which makes every ride spectacular! The Exhaust is a result of German engineering and Dutch craftsmanship. With state of the art technology, perfectly 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 each and every bike. By riders, for riders.

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  • Dr. Jekill mode
  • Dynamic mode
  • Mr. Hyde mode

the valve the three sound modes

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.

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European type approval street legal

Dr. Jekill & Mr. Hyde | The Exhaust is a completely legal exhaust system that complies with European laws and is ECE, EG-BE and TÜV approved. The reason for this is that every Dr. Jekill & Mr. Hyde system contains a smartbox: this electronic control unit is the brain of the product and contains software that reads CANBUS signals coming from the motorcycle’s ECU.

 

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Only the best is good enough Premium Quality

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.

 

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premium-quality-exhaust-jekill-hyde

enjoy the ultimate rideThe Exhaust for BMW GS

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.

  • Our products have a EU type approval and are EC/ ECE/EG/ABE/EEC/EU/ECE/EGBE and TÜV tested, thus being 100% street legal.
  • German engineering and Dutch craftsmanship.
  • Three street legal personalities with 100% power, performance and emission.
  • Four years warranty.
Back in time

Dr. Jekill & Mr. Hyde
A bit of history

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 25 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.

Exhausts

From custom to legal

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.

Exhausts

Branching out

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.

valve

The future

The Jekill and Hyde Company continues to grow and expand. For example, in 2021 a completely new motorcycle was added to the range with the BMW R18 and with Triumph Motorcycles a completely new brand has become part of the family. The Jekill and Hyde Company  started with a few models, but are already expanding the range. In this way, the company is always looking for new models and new markets.

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.

1997
The start of The Jekill and Hyde Company.
2011
Received the European Type Approval.
2015
First ‘non-chopper’ brand is added with the Honda Goldwing.
2016
Dr. Jekill & Mr. Hyde | The Exhaust for BMW.
2017
Added KTM to the roster.
2021
Added Triumph to the roster.
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Riders love us

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"...this button that turns beauty into a beast!"
Peter Janczik  |   BMW GS

"The name really says it all: Dr. Jekill & Mr. Hyde! Apart from the great workmanship and the fantastic quality, it rounds off the entire look of my R1250GS Adventure TripleBlack perfectly. Then there is this button that turns beauty into a beast! What really impressed me is the possibility to be even quieter than a series with it. And every now and then there is this itch in the left thumb, with the subsequent grin on the face. "

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"A clear plus for safety!”
Werner - Berrt Travel  |   BMW GS

"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!”

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"Perfect for off road rides or near residential areas."
Nikki van der Spek - GS Trophy participant 2020  |   BMW GS

"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."

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"I am very satisfied."
Olav Schnier  |   R18

"Coherent optics and robust, not intrusive sound, I am very satisfied."

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"It feels like I have 3 different exhausts."
JAAP - GS TROPHY TEAM NL  |   BMW GS

“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."

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"An incredibly intense sound in open mode."
Dirk Zetzsche  |   BMW R18

"My Dr. Jekill & Mr. Hyde exhaust system is installed at BMW Munich. An incredibly intense sound in open mode and whisper-quiet when closed. And it looks good too."

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"Ride in stealth mode and not disturb anyone."
Jean - GS enthousiast  |   BMW GS

“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?”

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"Give your BMW R18 the sound this bike deserves."
Motor Venray  |   BMW R18

"The Dr. Jekill & Mr. Hyde exhaust gives your BMW R18 the sound the bike deserves. Because of this glorified sound, you get the experience that one is looking for on a cruiser. Because the sound of the exhaust can be adjusted via the electronically controlled system, you can enjoy cruising anywhere and anytime with this characteristic motorcycle."

For those interested, the BMW R 18 can be seen and heard at Motor Venray with the exhaust from Dr. Jekill & Mr. Hyde."

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"The Exhaust gives you a real fighting mentality."
Xavier  |   BMW GS

“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 the 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."

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"The best sounding R1200 exhaust to date."
Derrick Creighton  |   BMW GS R1200

"Exquisite fit and finish, well laid out packaging and installation instructions. The adjustable exhaust sound level works flawlessly, and is very convenient to adjust to your mood and environment. The exhaust note is a nice mix of volume and bass tone. To me Exquisite fit and finish, well laid out packaging and installation instructions . The selectable exhaust noise level works flawlessly, and is very convenient to adjust to your mood and environment. The exhaust note is nice mix of volume and bass tone. To me the best sounding R1200 exhaust to date."

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the exhaust for bmw gs

Customize your own Dr. Jekill & Mr. Hyde | The Exhaust for BMW GS. Pick your brand, model, body colour, endcap and electronics, and make it yours. Let’s build something beautiful.

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