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The Exhaust - Electronically Adjustable, Legal Exhaust System

Street legal electronically adjustable exhaust systems

How It Sounds

How Dr. Jekill & Mr. Hyde | The Exhaust works

Premium quality

4 year warranty

Dr. Jekill & Mr. Hyde Poland

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Brands

Vespa

- Vespa GTS

- Vespa GTV

Harley-Davidson® Exhaust

- Harley Davidson Touring CVO 121

- Harley-Davidson Nightster Exhaust

- The Exhaust for Harley-Davidson Pan America 1250

- Harley-Davidson® Trike Exhaust

- CVO Road Glide ST

- Harley-Davidson® VRSC® Exhaust

- Harley-Davidson® Touring Exhaust

- - Harley-Davidson Street Glide

- - Harley-Davidson Road King

- - Harley-Davidson Road Glide

- Harley-Davidson Touring 2-1 Exhaust System

- - Project 21 From Road To Race

- Harley-Davidson® Sportster® Exhaust

- Sportster S Exhaust

- Harley-Davidson® Dyna Exhaust

- Harley-Davidson® CVO Exhaust

- Harley-Davidson® Cruiser Exhaust

- - Harley-Davidson Low Rider S

- - Harley-Davidson Fat Boy Exhaust

- - Harley-Davidson Breakout Exhaust

- - Harley-Davidson Fat Bob Exhaust

- - Harley-Davidson Sport Glide™ exhaust

- - Harley-Davidson Street Bob®

- - Harley-Davidson Heritage Exhaust

- - Hydra-Glide Revival Exhaust

- - Harley-Davidson Softail Slim Exhaust

- - Harley-Davidson FXDR Exhaust

Victory Motorcycles Exhaust

Triumph Exhaust

- Triumph Thruxton

- Triumph Speedmaster Exhaust

- Triumph Speed Twin Exhaust

- Triumph Bonneville Bobber Exhaust

- Triumph Bonneville T120 Exhaust

Indian Motorcycles Exhaust

- The Exhaust for Indian Chief

- The Exhaust for Indian Chief 2-in-1 / Twenty-One

- Indian FTR exhaust

- Indian Chief Classic Exhaust

- Indian Touring

- Indian Dark Horse exhaust

- Indian Chieftain exhaust

- Indian Scout exhaust

- Indian Scout 1250 Exhaust

- Indian Challenger

- Indian Cruiser Exhaust

- Indian Bagger exhaust

- Indian Scout Exhaust

BMW Motorrad Exhaust

- BMW GS exhaust

- BMW R18 Exhaust

- BMW Heritage exhaust

- BMW R 1300 GS exhaust

- BMW R 1300 RS exhaust

'Project 21' - Softail Low Rider S Custom Bike

Dr. Jekill & Mr. Hyde Czech Republic

Sound demos

Clubstyle Performance Exhaust Project 21

Warranty

Testimonials and reviews from our customers

Current projects

Dr. Jekill & Mr. Hyde Custom Bikes

News

"I’m afraid the valve closes too much" - No worries. Dr. Jekill & Mr. Hyde has you covered

PRESS RELEASE: Indian Motorcycle announces agreement with Dr. Jekill & Mr. Hyde across EMEA

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

Forged Carbon end cap for H-D CVO models

Dr. Jekill & Mr. Hyde's Track Series for H-D Touring Models: sound without limitations

Vespa Heritage Meets Modern Engineering

Street Legal, Always — Here's Why That Matters

All-black Nomad for H-D Pan America

Now Available: The Hexagon Black Edition for The Nomad

ORDER NOW: TWENTY-ONE EXHAUST

THE EXHAUST FOR 2026 H-D MODELS

BMW R 1200 GS(A) & R 1250 GS(A) now available via webshop

Pre-order now! Dr.Jekill & Mr. Hyde for BMW R 1300 R / RS

The VOX for Indian Scout 101

Dr. Jekill & Mr. Hyde BMW 2026

Available in webshop: 2025 Triumph Bobber & Speedmaster

Now online: Dr. Jekill & Mr. Hyde's brand new webshop!

Dr. Jekill & Mr. Hyde H-D 2026 models

Now available: V-Strike for Cruiser

Motorcycle Storehouse x Dr. Jekill & Mr. Hyde

Police roadside checks are rising – Is your bike legal?

Available now for Indian Motorcycle

European Bike Week 2025 Aftermovie

New Smartbox Software for Harley-Davidson Euro 5+: more riding fun, 100% legal

Dr. Gangster by BT Choppers × Dr. Jekill & Mr. Hyde – Pre‑order now!

Extend your warranty to 5 years!

Pre-order FAT BOY, BREAKOUT AND TRIKE

Now available for FAT BOY & BREAKOUT

Pre-Order now for Indian Motorcycle

Dr. Jekill & Mr. Hyde X Walzwerk

The VOX Indian Scout Custom

The VOX Exhaust: Now available for Scout Sixty!

H-D 2025 models: Pan America 'Nomad' now available!

NEW! 2-1 Slip-On Exhaust for 2025 H-D Cruisers

Now available: The Nomad S for BMW R 1300 GSA/ASA

Order now: The VOX for Indian Scout 2025

Dealer survey results: Celebrating 9.6/10 rating!

The Arcade for Indian FTR

New: Carbon Fiber Heat Shield for GS 1300

European Bike Week 2024

The Jekill and Hyde Company welcomes new CEO: Erik Peeters

Now available: The Nomad for 2024 H-D (CVO) Pan America

Now available: Dr. Jekill & Mr. Hyde for Harley-Davidson CVO Road Glide ST

New: Midsize 35kW for Indian Scout

Now available: Dr. Jekill & Mr. Hyde for Triumph 2024

Order now! The Nomad S for BMW R 1300 GS

Dr. Jekill & Mr. Hyde Harley-Davidson 2024 models

Collaboration H-D and Dr. Jekill & Mr. Hyde !

Order now: Dr. Jekill & Mr. Hyde for H-D Touring CVO 121

Dr. Jekill & Mr. Hyde offers solution for stricter legislation with revolutionary valve system

Order now! The new 2-1 exhaust for Harley-Davidson Touring

Soundcheck ready! Experience Dr. Jekill & Mr. Hyde

Now available! 2 into 1 Exhaust for Indian Chief

Dr. Jekill & Mr. Hyde's authorized dealers: ensuring excellence

Order now: Dr. Jekill & Mr. Hyde for BMW R18 Roctane

Now live! Dr. Jekill & Mr. Hyde official company film

Dr. Jekill & Mr. Hyde Indian 2024 Models

Dr. Jekill & Mr. Hyde authorized parts partner Harley-Davidson Japan

The Nomad for BMW GS

New project: Dr. Jekill & Mr. Hyde for BMW R 1300 GS

Coming soon at Dr. Jekill & Mr. Hyde: New projects

Dr. Jekill & Mr. Hyde: For the Ultimate Ride

Bad Boy Customs collabs with Dr. Jekill & Mr. Hyde

Dr. Jekill & Mr. Hyde for Triumph: All end caps available!

Arneitz Custombike Show 2023:presented by Dr. Jekill & Mr. Hyde!

Dr. Jekill & Mr. Hyde European Bike Week 2023

Indian Chief 2 into 1 Exhaust Concept

Project Lap Record Sportster S

'120 Years of Harley-Davidson' Aftermovie

The Exhaust for Indian Challenger // Available for 2023 models now!

Exhaust #100.000 delivered

Lil' BaggyH-D Performance Bagger

Dr. Jekill & Mr. Hyde for BMW 2023

The NomadExploded View  

The Exhaust: 100% tailor made and built to order  

Dr. Jekill & Mr. Hyde joins The Distinguished Gentleman's Ride 2023  

The Road to Long-Term Success: Prioritizing Customers

R&D Process: Meeting Legal Requirements and Rider Expectations  

New! The LUX exhaust for Nightster

Dealer Feedback: Rating 8.9 out of 10!

Bagger Party Race 2023Not for lightweights

Keep Your Passenger Comfortable with The Apex ‘Passenger Heat shield’  

Is the sound of your motorcycle still allowed?

Visiting Harley-Davidson's 120th Anniversary? Why Your Exhaust Could End Your Journey    

The LUX for H-D Nightster

Pre-order The Exhaust for Breakout 117

Dr. Jekill & Mr. Hyde On the road  

The exhaust for Triumph Bonneville T120

2023 Harley-Davidson Models

New Urban for BMW

Dr. Jekill & Mr. Hyde's 25th anniversary party!

Charley Boorman factory visit: mounting the Nomad for Pan America

Dr. Jekill & Mr. Hyde presents unique exhaust for El Diablo

First Bagger Party Race

Twenty-One for H-D Low Rider S/ST

Dr. Jekill & Mr. Hyde for 35kW

The New Nomad: World Premiere!

The Supreme custom

Dr. Jekill & Mr. Hyde 25 years anniversary

The Beat for BMW R18 Bagger & transcontinental

Dr. Jekill & Mr. Hyde off-road training

Dr. Jekill & Mr. Hyde’s 5 - best motorcycle rides in the world

Dr. Jekill & Mr. Hydefor Triumph 2022

Dr. Jekill & Mr. Hyde for H-D 2022

Dr. Jekill & Mr. Hyde for Indian 2022

Dr. Jekill & Mr. Hyde for BMW 2022

Can you still have a carefree ride on your customized motorcycle?

✓ ISO 14001 certificate

Dealers rate us: 9 out of 10

Dr. Jekill & Mr. Hyde for H-D Trike

Always legal… still social

The Beat for BMW R18 Bagger and Transcontinental!

Thornton Hundred's Custom Bobber

Triumph Speed TwinReady for Euro 5

The 'Jekill Bomb' - Now available for Euro 5!

Milwaukee Eight Highnecker

Dr. Jekill & Mr. Hyde presents The Nomad for Pan America

The Arcade Sound update

Dr. Jekill & Mr. Hyde for Triumph Euro 5 - Order now!

Triumph Euro 5 models - Order now!

V-Strike Euro 5 available

Now available: Euro 5 Sport Glide

The Exhaust for Softail 114

Dr. Jekill & Mr. Hyde // Triumph Online Event

Dr. Jekill & Mr. Hyde ready for Touring & CVO

Dealers rate us: 8,8 out of 10

The Exhaust for Triumph Motorcycles

Dr. Jekill & Mr. Hyde for Indian 2021

Dr. Jekill & Mr. Hyde for BMW GS / GSA EURO-5 READY

3,5" Bronze end caps

Project 21: 2-in-1 clubstyle/performance exhaust

Not a hobby, but a lifestyle Mike on the bike  

New! EC-Card with QR-Code

Cooperation Motul and Dr. Jekill & Mr. Hyde

10 reasons why Dr. Jekill & Mr. Hyde

Tapered End Cap: Updated design and new material

the cleaner, the builder and the rider

5 Things you never want to hear anymore as a biker

ISO 9001 certification

The Sound of Dr. Jekill & Mr. Hyde in 8D Audio 

Indian 2020 models

Biker Movie Tips by Dr. Jekill & Mr. Hyde

Harley-Davidson FXDR Custom: 'The Hulk'

The Arcade for Indian FTR

Law enforcement on motorcycle sound is getting stricter in Europe

Indian FTR 1200 Custom "The Red Hyde"

NEW: Standard 4 year warranty

The Arcade for Indian FTR: Pre-order now!

New feature! Configuration code

Riding the unbeaten path with Dr. Jekill & Mr. Hyde

2020 H-D Low Rider S 114: ready to order!

New! ‘Dr. Jekill & Mr. Hyde Adapter Kit’ for the CVO End Cap

To 'catch' the sound

The Exhaust available for all 2019 Trike models

The GS Trophy: Peet prefers to ride in the dirt

Dr. Jekill & Mr. Hyde voor Indian

Available: BMW R nineT 2019 // Dr. Jekill & Mr. Hyde

The Picturebooks factory visit Thunderbike

The Exhaust: a clean look inside

Breakthrough: Measuring Real Driving Emissions on a motorcycle

Now available! 'The One' for H-D Sport Glide™ 

South-East Motorcycles and Dr. Jekill & Mr. Hyde join forces

Jekill & Hyde meets BSL "Two Companies - One Vision"

Dr. Jekill & Mr. Hyde at Harley & Snow 2018!

New: Bronze Endcaps for Harley-Davidson® Fat Bob®

The Picturebooks visit Dr. Jekill & Mr. Hyde

The Vendekee: Custom at its finest

BMW R nine T: The transformation

Mission South: 5000 km on two wheels

The Husky: a bike like no other

10 reasons why you need a Dr. Jekill & Mr. Hyde Exhaust

Media - Photos, Video’s and more

Jobs and Vacancies at The Jekill and Hyde Company

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Accessoires by Dr. Jekill & Mr. Hyde

3.5"/4.0"Slashcut

3.5"/4.0"Big Shot

V-StrikeEven

V-StrikeUneven

3,5" Vintage

3.5"/4.0"Streetfighter

4,0" Fishtail Adapter

CVO End CapAdapters

3,5" Tapered

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The Valve

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R41.05 & New Innovative Technology

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Black Tapered End Caps Promotion

RAM 1500 V8 Exhaust

Vespa

Installation times

Dr. Jekill & Mr. Hyde Track Series

Dr. Jekill & Mr. Hyde for Porsche 911 G-Models