Description
- Features full 2″ left side crossover and 4-1/2″ muffler bodies with 2″ inlets
- All M8 systems feature: 1-3/4″ to 1-7/8″ to 2″ high-flow 16-gauge three stepped primary headers
- Enlarged interconnected headers make for improved horsepower and low-end torque
- 2-1/2″, 220° 16-gauge heat shields
- Baffles are wrapped in stainless steel wool and high-temp fiberglass for a rich mellow tone
- Heavy-duty AccuSeal® reaction-block header-to-muffler clamps included
- 18 mm and 12 mm O2 bungs welded into the primaries
- Optional inserts boost low-end performance (available separately)
- Made in the U.S.A.
| 2024 | Harley-Davidson | Road Glide Police FLTRXP | – | – |
| 2024 | Harley-Davidson | CVO Road Glide ST FLTRXSTSE | – | – |
| 2023 | Harley-Davidson | Electra Glide Highway King FLHFB | – | – |
| 2022-2023 | Harley-Davidson | CVO Road Glide Limited | – | – |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST | – | – |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST | – | – |
| 2020-2024 | Harley-Davidson | Road Glide Limited FLTRK | – | – |
| 2019-2022 | Harley-Davidson | Electra Glide Standard EFI FLHTI | – | – |
| 2018-2024 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | – | – |
| 2017-2024 | Harley-Davidson | Road King Special FLHRXS | – | – |
| 2017-2024 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | – | – |
| 2017-2024 | Harley-Davidson | Electra Glide Police FLHTPI | – | – |
| 2017-2024 | Harley-Davidson | Road Glide Custom FLTRX | – | – |
| 2017-2024 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2017-2024 | Harley-Davidson | CVO Street Glide FLHXSE | – | – |
| 2017-2024 | Harley-Davidson | Road King Police FLHP | – | – |
| 2017-2023 | Harley-Davidson | Street Glide Special FLHXS | – | – |
| 2017-2023 | Harley-Davidson | Road Glide Special FLTRXS | – | – |
| 2017-2022 | Harley-Davidson | Road King EFI FLHR | – | – |
| 2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | – | – |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | – | – |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | – | – |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | – | – |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.






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