Dr. Jekill & Mr. Hyde® 4.5" Electronically Adjustable Exhaust for Harley-Davidson CVO 121 Models (2023+)
This complete bolt-on kit includes everything needed for installation.
Includes:
4.5" Dual Slip-On Exhaust System in Chrome or Dark Chrome
Electronically Adjustable Control Kit
Mounting Hardware
The Dr. Jekill & Mr. Hyde® 4.5" Exhaust for Harley-Davidson CVO 121 models (2023+) is a street-legal, electronically adjustable exhaust system designed to deliver the ideal blend of sound, performance, and comfort while preserving the premium look of your bike.
One of the standout features of this system is its factory-style CVO appearance. The finish is designed to match the original stock look, and the included adapter allows you to retain your original Harley-Davidson CVO end cap—giving you the signature CVO style with Dr. Jekill & Mr. Hyde® technology.
With the signature electronically adjustable system, you can control your exhaust sound at the push of a button:
Dr. Jekill Mode – quiet and refined
Dynamic Mode – deeper, more balanced tone
Mr. Hyde Mode – full, deep rumble
Engineered to complement Harley-Davidson’s VVT engine, this 4.5" dual slip-on system delivers a deep, harmonized exhaust note while maintaining OEM fitment with stock components.
Fits Harley-Davidson CVO 121 models (2023+):
CVO Street Glide
CVO Road Glide
Features:
4.5" dual slip-on design
Electronically adjustable exhaust system
3 selectable sound modes
Available in Chrome or Dark Chrome
Compatible with OEM CVO end caps using included adapter
Bolt-on installation
OEM fit with stock cases and passenger footpegs
Street legal
Stainless steel construction
Active Smartbox technology
4-year warranty
Customize your exhaust your way using our online exhaust configurator.
