2-Into-1 Electronically Controlled Exhaust System

For over 25 years, Dr. Jekill & Mr. Hyde has set the standard in electronically adjustable exhaust systems. Proven and trusted by riders worldwide, our exhaust system delivers the perfect balance of sound, performance, and adaptability at the push of a button. Crafted in Holland since 1997, this system is built for those who demand control.

Unmatched Sound and Performance, Now in Your Hands

Upgrade your Harley-Davidson with our premium exhaust systems, available in electronic options. Engineered for Harley Touring models, they seamlessly integrate with the 2025 Road Glide 117, Street Glide 117, and all Milwaukee-Eight models, delivering unmatched customization.

Tailor Your Style, Define Your Journey

Designed for versatility, our 4.5" exhaust system lets you switch between a deep, powerful rumble and a refined, quiet tone—adapting to your ride. Available in Chrome or Black with Big Shot or Slashcut end caps, it maintains OEM fit and style. With electronic control, take full command of your Harley’s sound and experience the road like never before.

Harmonizing Power and Sound

Unlock the full auditory potential of your Harley-Davidson's engine with the Dr. Jekill & Mr. Hyde® 4.5" Exhaust System. Experience a deep, resonant rumble that enhances your ride, blending power with a refined sound. With electronic adjustment, you’ll have complete control over the sound, switching between a quiet, refined tone and a powerful roar to match your mood and riding style.

Electronically Controlled: Operated by an advanced electronic switch seamlessly integrated into your bike.

Perfect Fit: Designed for all Harley-Davidson Milwaukee-Eight Touring models (2017–present).

Customizable Sound: Easily switch between all 3 modes with a sleek electronic switch.

Optimized Performance: Enhances exhaust flow, backpressure, throttle response, and torque.

Durable Build: High-quality stainless steel resists heat and corrosion.

Easy Installation: Direct-fit design requires no modifications or tuning.

Street Legal: C.A.R.B. & EPA compliant for emissions standards.

4-Year Warranty: Backed by Jekill & Hyde’s quality guarantee, every system comes with a 4 year, unlimited mile warranty.

Custom End Caps: Choose Big Shot or Slashcut in Black or Chrome.

Premium Finish: Available in Stunning Chrome or Bold Black.

Innovative Technology: Precision-engineered for electronic adjustment and reliability.

OEM Fit: Compatible with stock cases and passenger footpegs.

Own the road with the unmistakable sound of Dr. Jekill & Mr. Hyde's® latest masterpiece. The future of sound is here. The power is in your hands.