Breakout
The most badass Softail, now with Dr. Jekill & Mr. Hyde | The Exhaust.
The ultimate Harley icon. Customize your Harley-Davidson® Softail with Dr. Jekill & Mr. Hyde | The Exhaust.
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Harley-Davidson®Softail®
Muscles. Power. Design. Complete the ultimate Harley icon with Dr. Jekill & Mr. Hyde | The Exhaust.
The most distinctive American motorcycle, the Harley-Davidson Softail, blends tradition with modernity. Now give all your senses a jumpstart by adding the perfect exhaust to the perfect bike. You are in command.
Grab the attention of everybody in the street with Dr. Jekill and Mr. Hyde | The Exhaust. With a perfect fit, performance and attitude it completes every family member of the Harley-Davidson Softail range.
The Exhaust for Softail® is available for:
Fat Bob® // Street Bob® // Sport Glide® // Low Rider® // Softail Slim® // Breakout® // Fat Boy® // Heritage Classic // Blackline® // Softail® Deluxe // Crossbones // Rocker // Deuce // Springer // Softail® Custom // Softail® Standard // Night Train // Bad Boy
Choose your softail Harley-Davidson
Clubstyle / performanceTwenty-One
Dr. Jekill & Mr. Hyde presents the 'Twenty-One', a unique 2-in-1 electronically adjustable exhaust for Milwaukee-Eight Softail Models
The Twenty-One is made for an audience that wants to take riding a Harley to a whole new level of performance and sound. With this in mind Dr. Jekill & Mr. Hyde created an exhaust that meets all the needs of the clubstyle / performance scene, without abandoning the characteristic features and innovations of a Dr. Jekill & Mr. Hyde exhaust system. Brace yourself for an exhaust that not only performs like a beast, but also sounds like one.
The ‘Twenty-One’ contains a sound that really brings the power of the M8 engine to new heights, in ways you'd never expected. The thrill of driving is enhanced by a brighter feedback from your exhaust, challenging you to demand that little bit extra from your bike. Combined with the raw and stripped design this exhaust is a must-have on any Milwaukee-Eight Softail rider who strives for clubstyle!
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this is whyRiders love us
"Roaring sound and pure performance!"
Walter Wais | Harley-Davidson Sportster
"Dr. Jekill & Mr. Hyde is the best investment in my bike so far!!! It adds 100% more driving fun. I can adjust the volume according to my needs, and at the push of a button a roaring sound and pure performance. And the best of all it's street legal. Many thanks to the Dr. Jekill & Mr. Hyde Team - great job keep it up!"
"A must-have on your bike!"
Thomas Peerlinck | Harley-Davidson Streetbob
"I have my Dr. Jekill & Mr. Hyde exhaust for one year now, 6.500 km on the 2019 Street Bob 107ci stage I with S&S teardrop intake... and VERY HAPPY! Amazing sound, deep, dark and loud, but quiet when necessary (neighbours, city center, horses or small kids around...) all this legal with certificate. This head-turing piece of art is a must-have on your bike!!"
"Legal, but still a beautiful deep Harley sound."
Harley Dutchies | Harley-Davidson Sportster
"I got to know Dr. Jekill & Mr. Hyde at a motorcycle fair. I was impressed by this exhaust system from the first moment. But after a test drive I was sold. Wonderful to drive being able to play with the sound. The fact that it is legal, but still gives a beautiful deep Harley sound was the deciding factor in choosing Dr. Jekill & Mr. Hyde and they are also beautiful under my bike, also not unimportant. My bike passed the strict RDW inspection and I can confidently cross the (German) border without worrying. "
"Choose your own style."
@marc_stone82 | Harley-Davidson Sportster Forty-Eight
"If you are looking for a high quality and exactly finished exhaust system which can be modified to your own style you have to choose Dr. Jekill & Mr. Hyde! On top you also get the possibility to change your sound levels easily by a push of a button."
"The unique powerful sound I was looking for."
@dysnrider | Harley-Davidson Sportster
"Dr. Jekill & Mr. Hyde offers the unique powerful Harley sound I was looking for. Which is more bassy, but still civil enough for daily rides. Even the possibility of adjusting the valves with just a push of a button is very comfortable on longer tours. You get something for the price and it's worth it."
"I feel like I'm the king of the streets."
@mawi_davidson | Harley-Davidson Sportster Forty-Eight
"When I ride with my motorcycle I feel free. And when I ride with my Dr. Jekill & Mr. Hyde exhaust I feel like I'm the king of the streets. And when everybody looks at me and give me a thumbs up I know I made the right decision choosing this exhaust system."
"Perfect finish and street legal."
Martin Brunner | Harley-Davidson Fat Boy
"Very good exhaust system - perfect finish and street legal. And Smartbox 2 is awesome!"
"100% legal and yet the full Harley sound."
@strandfahrer | Harley-Davidson Street Bob
"So, What I particularly like about the Dr. Jekill & Mr. Hyde exhaust is the deep sound, the quality and that the valve is inside the silencer. I also think it's great that you can change the look of the exhaust afterwards by replacing the end caps. 100% legal and yet the full Harley sound is absolutely great, especially in Germany."
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THE EXHAUST FOR softail
Customize your own Dr. Jekill & Mr. Hyde | The Exhaust. Pick your brand, model, body colour, endcap and electronics, and make it yours. Let’s build something beautiful.