The new riding season might still feel far away, but great season starts with great preparation. At Dr. Jekill & Mr. Hyde, we're already looking ahead: our electronically adjustable exhaust systems for Harley-Davidson MY2026 carry-over models are now available for order.
While bikes are stored and roads are quiet, we've been working full throttle behind the scenes — refining our technology, improving our software, and making sure you'll be ready to hit the road with confidence, performance, and unmistakable sound in 2026. Buy now and you get the exhaust for the 2025 price!
AVAILABLE MODELS
Dr. Jekill & Mr. Hyde exhaust systems can immediately be ordered for the following models:
Grand American Touring
Adventure Touring
- Pan America® 1250 Special
- Pan America® 1250 ST
Cruiser
- Fat Boy®
- Heritage Classic
- Street Bob®
- Breakout®
- Low Rider® S
- Low Rider® ST
Sport
- Nightster®
- Nightster® Special
- Sportster® S
R41.05 & NEW INNOVATIVE TECHNOLOGY
Our systems are delivered with new and updated software and hardware to ensure compliance with the R41.05 regulations. We have invested in our own state-of-the-art test lab with the most up-to-date and advanced testing equipment and methods to provide the ultimate sound experience to our customers.
Our innovative technology, including the new active Smartbox and fast responding valve, guarantees not only an enriched sound experience but also future-proofing engineering. Compliant with the latest Euro norms and backed by a 4-year warranty, our exhaust system reflects the hallmark Dr. Jekill & Mr. Hyde quality and craftsmanship.