Dr. Jekill & Mr. Hyde | Electronically adjustable exhaust
Starting
engines

configure

your exhaust

the exhaust
best sound

Dr. Jekill & Mr. Hyde | The Exhaust: the leading electronically adjustable exhaust system for motorcycles in today's market with full European type approval.

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Choose your
Harley

The Exhaust for Harley-Davidson® is available for: CVO™ 121 - Nightster™ - Sportster S™ - Cruiser - Touring - Sportster™ - Trike™ - VRSC™ - Dyna™ - CVO™ - Pan America™.

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3 sound
modes

Dr. Jekill & Mr. Hyde | The Exhaust offers the rider the possibility to choose between three different sound modes.

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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.

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Dealer 
locator

Dr. Jekill & Mr. Hyde customers can rely on a first-class network of dealers worldwide. Find your nearest dealer now.

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4 YEAR
WARRANTY

We are the only provider of electronically adjustable exhaust systems delivering our exhaust systems with a standard 4 year warranty.

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excellent
performance

The Exhaust is the result of German engineering and Dutch craftsmanship.

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Dr. Jekill & Mr. Hyde Exhaust for Harley-Davidson®

Electronically adjustable exhaust system
Twenty-five years of innovation, state-of-the-art engineering and craftsmanship. Twenty-five years to create the ultimate exhaust. Our love of design, attention to detail and passion for riding all come together in Dr Jekill & Mr Hyde | The Exhaust. Our electronically adjustable exhaust system allows you to choose from three different sound modes while riding your bike. By the push of a button. You can enjoy 3 sound modes that perfectly suit your mood with our electronically adjustable system, whether you are looking for a powerful rumble, a more subtle sound, or just very quiet. Dr. Jekill & Mr. Hyde's complies with European laws, JMCA and is ECE, EG-BE and TÜV approved. Discover our exhaust system for Harley-Davidson® motorbikes today and experience the freedom to customise your riding experience to your liking. 

The Exhaust for Harley-Davidson® is available for:
Nightster™ - Sportster S™ - Cruiser - Grand American Touring - Sportster™ - Trike™ - VRSC™ - Dyna™ - CVO™ - Pan America™.

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Harley-Davidson-Softail-sportster-touring-jekill-hyde-exhaust

The ultimate Harley exhaust

How The Exhaust works

The Exhaust has three different personalities: the Dr. Jekill mode, the dynamic mode and the Mr. Hyde mode. At the push of a button.

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How it sounds

Sound. Craftsmanship. Power. See how and why we created The Exhaust and design your own custom design!

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Street legal

Dr. Jekill & Mr. Hyde | The Exhaust is a completely street legal system and complies with European legislation and laws.

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ENDCAP

3,5 " Streetfighter Aluminium

BODY

Shorty (EURO 4) Black

HEADER

V-Strike Even Black

Configureyour exhaust

Configure

Your Exhaust

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

Start configuring

USE YOUR HEADPHONES
FOR THE ULTIMATE EXPERIENCE

start how it sounds

push thebutton

Push 1x for
Dr. Jekill mode

Dr. jekill mode
Enabled

Push 1x for 
Mr. hyde mode

Mr. hyde mode
Enabled

Push 2x for 
dynamic mode

Dynamic mode
Enabled

back

Harley-Davidson®

This is it. Sound, performance and design all come together in The Exhaust for Harley-Davidson®. The definitive American motorcycle brand and Dr. Jekill & Mr. Hyde | The Exhaust are becoming an inseparable combination. With good reason...

What all Harley-Davidson® riders have in common regardless of their age, gender or ethnicity is they are all freedom-loving, adventure-seeking individuals… who love esthetics and performance. Dr. Jekill & Mr. Hyde | The Exhaust gives you exactly that and completes the ultimate riding experience!

Are you considering replacing your Harley-Davidson® exhaust for an electronically adjustable exhaust system? Or are you looking for a brand new Harley-Davidson motorcycle and are you looking for a suitable legal exhaust for it? View all our options and combinations in our special exhaust configurator. We offer the best sound, best performance, premium quality with 4 year warranty and completely street legal.

Choose your model, color, endcap and electronics and design your own unique exhaust. Let's build something beautiful!

The Exhaust for Harley-Davidson® is available for: Nightster™, Sportster S™, Cruiser, Grand American Touring, Sportster™, Trike™, VRSC™, Dyna™, CVO™ and Pan America™.

More Harley-Davidson®

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Your exhaust

Discover our world

New! Dr. Jekill & Mr. Hyde exhaust for Vespa GTS and GTV

In 2026, Dr. Jekill & Mr. Hyde brings its electronically adjustable exhaust technology to Vespa GTS and GTV models, giving riders something they have never had before: the freedom to choose how their Vespa sounds, whenever they want.

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