4" muffler body with scalloped rolled tip; 2-1/4" perforated core for classic Harley sound. Sold in pairs.
Experience traditional Harley sound with the 909 Twin Slip-On Mufflers. 🎵
These mufflers use a 2-1/4" perforated core and a constant velocity tuned core for signature tone and performance.
The 4" muffler body finishes with a rolled scalloped tip and an inner core that mirrors the scalloped cut, providing a smooth, undisturbed exterior—no external screws.
Sold in pairs and made in the USA.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Electra Glide Highway King 114 | Touring | 2023 | |
| Harley Davidson | Road King 107 | Touring | 2017 | |
| Harley Davidson | Road King 107 | Touring | 2018 | |
| Harley Davidson | Road King 107 | Touring | 2019 | |
| Harley Davidson | Road King 107 | Touring | 2017 | |
| Harley Davidson | Road King 107 | Touring | 2018 | |
| Harley Davidson | Road King 107 | Touring | 2019 | |
| Harley Davidson | Road King 107 | Touring | 2020 | |
| Harley Davidson | Road King 107 | Touring | 2021 | |
| Harley Davidson | Road King 107 | Touring | 2022 | Not approved! |
| Harley Davidson | Road King Classic 107 | Touring | 2017 | |
| Harley Davidson | Road King Classic 107 | Touring | 2018 | |
| Harley Davidson | Road King Classic 107 | Touring | 2019 | |
| Harley Davidson | Road King Special 107 | Touring | 2017 | |
| Harley Davidson | Road King Special 107 | Touring | 2018 | |
| Harley Davidson | Road King Special 114 | Touring | 2019 | |
| Harley Davidson | Road King Special 114 | Touring | 2020 | |
| Harley Davidson | Road King Special 114 | Touring | 2021 | |
| Harley Davidson | Road King Special 114 | Touring | 2023 | |
| Harley Davidson | Road King Special 114 | Touring | 2024 | |
| Harley Davidson | Road King Special 114 | Touring | 2025 | |
| Harley Davidson | Road King Special 114 | Touring | 2022 | Not approved! |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2019 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2020 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2021 | |
| Harley Davidson | Electra Glide Standard 107 | Touring | 2022 | Not approved! |
| Harley Davidson | Electra Glide Ultra Classic 107 | Touring | 2017 | |
| Harley Davidson | Electra Glide Ultra Classic 107 | Touring | 2018 | |
| Harley Davidson | Electra Glide Ultra Classic 107 | Touring | 2019 | |
| Harley Davidson | Electra Glide Ultra Limited 107 | Touring | 2017 | |
| Harley Davidson | Ultra Limited Shrine Edition 107 | Touring | 2018 | |
| Harley Davidson | Ultra Limited Shrine Edition 114 | Touring | 2019 | |
| Harley Davidson | Ultra Limited Shrine Edition 114 | Touring | 2020 | |
| Harley Davidson | Glide Ultra Limited 114 | Touring | 2021 | |
| Harley Davidson | Ultra Limited Shrine Edition 114 | Touring | 2023 | |
| Harley Davidson | Glide Ultra Limited 114 | Touring | 2024 | |
| Harley Davidson | Glide Ultra Limited 114 | Touring | 2022 | Not approved! |
| Harley Davidson | Electra Glide Ultra Limited Low 107 | Touring | 2017 | |
| Harley Davidson | Ultra Limited Low 107 | Touring | 2018 | |
| Harley Davidson | Ultra Limited Low 114 | Touring | 2019 | |
| Harley Davidson | Electra Glide Ultra Limited CVO 114 | CVO | 2017 | |
| Harley Davidson | Ultra Limited CVO 117 | CVO | 2019 | |
| Harley Davidson | Ultra Limited CVO 117 | CVO | 2020 | |
| Harley Davidson | Ultra Limited CVO 117 | CVO | 2021 | |
| Harley Davidson | Ultra Limited CVO Anniversary 117 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2017 | |
| Harley Davidson | Street Glide 107 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2019 | |
| Harley Davidson | Street Glide 107 | Touring | 2017 | |
| Harley Davidson | Street Glide 107 | Touring | 2018 | |
| Harley Davidson | Street Glide 107 | Touring | 2019 | |
| Harley Davidson | Street Glide 107 | Touring | 2020 | |
| Harley Davidson | Street Glide 107 | Touring | 2021 | |
| Harley Davidson | Street Glide 107 | Touring | 2023 | |
| Harley Davidson | Street Glide 107 | Touring | 2022 | Not approved! |
| Harley Davidson | Street Glide 117 | Touring | 2024 | |
| Harley Davidson | Street Glide 117 | Touring | 2025 | |
| Harley Davidson | Street Glide 117 | Touring | 2026 | |
| Harley Davidson | Street Glide Special 107 | Touring | 2017 | |
| Harley Davidson | Street Glide Special 107 | Touring | 2018 | |
| Harley Davidson | Street Glide Special 114 | Touring | 2019 | |
| Harley Davidson | Street Glide Special 114 | Touring | 2020 | |
| Harley Davidson | Street Glide Special 114 | Touring | 2021 | |
| Harley Davidson | Street Glide Special Anniversary 114 | Touring | 2023 | |
| Harley Davidson | Street Glide Special 114 | Touring | 2022 | Not approved! |
| Harley Davidson | Street Glide CVO 114 | CVO | 2017 | |
| Harley Davidson | Street Glide CVO 117 | CVO | 2018 | |
| Harley Davidson | Street Glide CVO 117 | CVO | 2019 | |
| Harley Davidson | Street Glide CVO 117 | CVO | 2020 | |
| Harley Davidson | Street Glide CVO 117 | CVO | 2021 | |
| Harley Davidson | Street Glide CVO 117 | CVO | 2022 | Not approved! |
| Harley Davidson | Street Glide CVO 121 | CVO | 2023 | |
| Harley Davidson | Street Glide CVO 121 | CVO | 2024 | |
| Harley Davidson | Street Glide CVO 121 | CVO | 2025 | |
| Harley Davidson | Street Glide ST 117 | Touring | 2023 | |
| Harley Davidson | Street Glide ST 117 | Touring | 2022 | Not approved! |
| Harley Davidson | Street Glide Ultra 121 | Touring | 2025 | |
| Harley Davidson | Road Glide Limited 114 | Touring | 2020 | |
| Harley Davidson | Road Glide Limited 114 | Touring | 2023 | |
| Harley Davidson | Road Glide Limited 114 | Touring | 2024 | |
| Harley Davidson | Road Glide Limited 114 | Touring | 2022 | Not approved! |
| Harley Davidson | Road Glide Limited Anniversary CVO 117 | CVO | 2023 | |
| Harley Davidson | Road Glide Limited CVO 117 | CVO | 2022 | Not approved! |
| Harley Davidson | Road Glide Ultra 107 | Touring | 2017 | |
| Harley Davidson | Road Glide Ultra 107 | Touring | 2018 | |
| Harley Davidson | Road Glide Ultra 114 | Touring | 2019 | |
| Harley Davidson | Road Glide 107 | Touring | 2017 | |
| Harley Davidson | Road Glide 107 | Touring | 2018 | |
| Harley Davidson | Road Glide 107 | Touring | 2019 | |
| Harley Davidson | Road Glide 107 | Touring | 2017 | |
| Harley Davidson | Road Glide 107 | Touring | 2018 | |
| Harley Davidson | Road Glide 107 | Touring | 2019 | |
| Harley Davidson | Road Glide 107 | Touring | 2020 | |
| Harley Davidson | Road Glide 107 | Touring | 2021 | |
| Harley Davidson | Road Glide 107 | Touring | 2023 | |
| Harley Davidson | Road Glide 107 | Touring | 2022 | Not approved! |
| Harley Davidson | Road Glide 117 | Touring | 2024 | |
| Harley Davidson | Road Glide 117 | Touring | 2025 | |
| Harley Davidson | Road Glide 117 | Touring | 2026 | |
| Harley Davidson | Road Glide Special 107 | Touring | 2017 | |
| Harley Davidson | Road Glide Special 107 | Touring | 2018 | |
| Harley Davidson | Road Glide Special 114 | Touring | 2019 | |
| Harley Davidson | Road Glide Special 114 | Touring | 2020 | |
| Harley Davidson | Road Glide Special 114 | Touring | 2021 | |
| Harley Davidson | Road Glide Special 114 | Touring | 2023 | |
| Harley Davidson | Road Glide Special 114 | Touring | 2022 | Not approved! |
| Harley Davidson | Road Glide CVO 117 | CVO | 2018 | |
| Harley Davidson | Road Glide CVO 117 | CVO | 2019 | |
| Harley Davidson | Road Glide CVO 117 | CVO | 2020 | |
| Harley Davidson | Road Glide CVO 117 | CVO | 2021 | |
| Harley Davidson | Road Glide CVO 117 | CVO | 2022 | Not approved! |
| Harley Davidson | Road Glide CVO 121 | CVO | 2023 | |
| Harley Davidson | Road Glide CVO 121 | CVO | 2024 | |
| Harley Davidson | Road Glide CVO 121 | CVO | 2025 | |
| Harley Davidson | Road Glide ST 117 | Touring | 2023 | |
| Harley Davidson | Road Glide ST 117 | Touring | 2022 | Not approved! |
| Harley Davidson | Road Glide ST CVO 121 | CVO | 2024 | |
| Harley Davidson | Road Glide ST CVO 121 | CVO | 2025 |
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