Cobra 909-Twins 4" Black Slip-On Mufflers - Harley Milwaukee-Eight Touring
About Cobra
Cobra USA builds exhaust, sissy bars, luggage racks and bolt-on styling parts for cruisers and baggers, with a catalog aimed at the rider who wants a finished, matched look rather than a one-off fabrication. Its slip-ons and full systems are designed around factory mounting points for a straightforward bolt-on install.
Uncork a richer sound from your Milwaukee-Eight Touring machine with Cobra 909-Twins 4" black slip-on mufflers. These mufflers deliver a classic Harley tone through a 2.25" perforated core, designed to enhance your bike's audio presence without being overbearing. Engineered for a clean, stealth profile, they integrate seamlessly with your stock header pipes.
Why riders pick this
- Deep, traditional Harley sound with a 2.25" perforated core
- Sleek black finish with a downward-angled exit
- Scalloped twin-tip design hides external fasteners
- Direct bolt-on upgrade to stock header pipes
- 50-state EPA-legal configuration
The Cobra 909-Twins 4" black slip-on mufflers are crafted for riders who demand a classic V-twin rumble with a refined aesthetic. These mufflers bolt directly onto your factory headers, offering a straightforward upgrade that immediately transforms your bike's exhaust note. The downward-angled exit and scalloped twin tips provide a custom look without visible external fasteners, maintaining a sleek appearance.
Unmistakable V-Twin Tone
- Rich, traditional Harley sound from a 2.25" perforated core
- Sleek, black finish for a custom, aggressive aesthetic
- Scalloped twin-tip design with no visible external hardware
- Engineered for a clean, stealth profile on your Touring bike
- Direct bolt-on installation to factory header pipes
Performance and Compatibility
These 909-Twins slip-ons are designed to deliver an authentic Harley sound while meeting 50-state EPA legal requirements. While slip-ons typically don't necessitate a retune, pairing them with a fuel management system can further optimize throttle response and overall engine performance. Confirm fitment for your specific Milwaukee-Eight Touring model before ordering to ensure a perfect match.
Specifications
- Brand: Cobra
- Manufacturer Part #: 6108RB
- Finish: Black
- Length: 31 in
- Width: 11.13 in
- Height: 5.56 in
- Weight: 19.99 lbs
Common questions
Do these slip-ons require a fuel tuner or ECU flash?
Slip-on mufflers typically do not necessitate a retune, but a fuel-air optimizer can enhance throttle response and fuel economy, especially if you have other performance modifications.
Will these fit my pre-2017 Harley Touring model?
No, these Cobra 909-Twins slip-ons are specifically engineered for 2017-2025 Harley-Davidson Milwaukee-Eight Touring models. Older Touring bikes use different header designs.
What kind of sound can I expect from these mufflers?
The 2.25" perforated core is designed to deliver a classic, deep Harley V-twin rumble, providing a noticeable upgrade from stock without being excessively loud.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Cobra |
| TYPE | Exhaust |
| SKU | 82-96068 |
| WEIGHT | 19.99 lb |