The Speedster Slashdown blends traditional styling with modern performance technology. These shotgun-style pipes produce class-leading power gains, with the proprietary PowerPort crossover helping to boost output from idle through redline. The result is the kind of midrange and top-end increase you typically expect from a 2:1 layout, while retaining the clean, classic lines of a dual-pipe design. Full-length, 222° heat shields add protection and a polished look. 🔥
Engineered for riders who want both style and substance, the system improves throttle response and delivers noticeable gains across the rev range without sacrificing the ride’s classic silhouette.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Dyna Switchback | Dyna | 2012 | |
| Harley Davidson | Dyna Switchback | Dyna | 2013 | |
| Harley Davidson | Dyna Switchback | Dyna | 2012 | |
| Harley Davidson | Dyna Switchback | Dyna | 2013 | |
| Harley Davidson | Dyna Switchback | Dyna | 2014 | |
| Harley Davidson | Dyna Switchback | Dyna | 2015 | |
| Harley Davidson | Dyna Switchback | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2012 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2012 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2017 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob | Dyna | 2017 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Special | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob Special | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob Special | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob Special | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob Limited | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2016 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2013 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2014 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2015 | |
| Harley Davidson | Dyna Street Bob Factory Custom | Dyna | 2016 | |
| Harley Davidson | Dyna Super Glide Custom | Dyna | 2012 | |
| Harley Davidson | Dyna Super Glide Custom | Dyna | 2013 | |
| Harley Davidson | Dyna Super Glide Custom | Dyna | 2012 | |
| Harley Davidson | Dyna Super Glide Custom 110th Anniversary | Dyna | 2013 | |
| Harley Davidson | Dyna Super Glide Custom | Dyna | 2014 | |
| Harley Davidson | Dyna Super Glide Custom | Dyna | 2014 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2012 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2012 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2013 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2014 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2015 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2016 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2017 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2012 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2013 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2014 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2015 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2016 | |
| Harley Davidson | Dyna Fat Bob | Dyna | 2017 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2014 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2015 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2016 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2017 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2014 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2015 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2016 | |
| Harley Davidson | Dyna Low Rider | Dyna | 2017 | |
| Harley Davidson | Dyna Low Rider S | Dyna | 2016 | |
| Harley Davidson | Dyna Low Rider S | Dyna | 2017 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2012 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2012 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2013 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2012 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2013 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2014 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2015 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2016 | |
| Harley Davidson | Dyna Wide Glide | Dyna | 2017 |