Description
If you’re running a Dyna and want genuine power gains without sacrificing classic aesthetics, the COBRA Speedster Slashdown delivers. This exhaust system uses COBRA’s proprietary PowerPort crossover technology to generate the kind of performance you’d expect from a 2:1 setup, while maintaining the timeless 2:2 pipe profile that defines traditional cruiser styling. You’ll see measurable gains from idle through redline—no gimmicks, just engineering that works.
- Fitment: Harley-Davidson Dyna 2012-2017
- Configuration: 2:2 dual pipes
- Material: Steel construction
- Heat shields: 222° full-length
- Proprietary crossover: PowerPort technology
- Installation: Bolt-on
- Power delivery: Idle to redline
- MPN: 6858B






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