Aggressive slip-on mufflers tuned for maximum sound.
Constant-velocity cores for M8 engine performance.
Includes bonded E-glass and stainless steel mesh; sold in pairs.
Neighbor Hater Slip-On Mufflers deliver aggressive tone and strong performance for riders who think too loud is just right. 🔊🔥
The 3" muffler body morphs to 3-1/4" at the rear, providing a distinctive taper and throat for a full, commanding sound.
The constant-velocity cores are designed specifically for the M8 engine platform to provide the best sound and performance, and the package includes 2" constant-velocity cores bonded with E-glass and stainless steel mesh for durability and tone control.
If you're looking to get the most sound out of your Softail, these are for you — sold in pairs and proudly 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 | Softail Fat Boy 107 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 107 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 107 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2024 | |
| Harley Davidson | Softail Fat Boy Anniversary (ANX) 114 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2022 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 114 | Softail | 2023 | Non EC Approved |
| Harley Davidson | Softail Fat Boy 117 | Softail | 2025 | |
| Harley Davidson | Softail Fat Boy 117 | Softail | 2026 | |
| Harley Davidson | Softail Slim 107 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Slim 107 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Slim 107 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Slim 107 | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Fat Boy Gray Ghost 117 | Softail | 2025 | |
| Harley Davidson | Softail Fat Boy Gray Ghost 117 | Softail | 2026 | |
| Harley Davidson | Softail Street Bob 107 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Street Bob 107 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Street Bob 107 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Street Bob 114 | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Street Bob 114 | Softail | 2024 | |
| Harley Davidson | Softail Street Bob 114 | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Street Bob 114 | Softail | 2022 | Non EC Approved |
| Harley Davidson | Softail Street Bob 114 | Softail | 2023 | Non EC Approved |
| Harley Davidson | Softail Breakout 107 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Breakout 107 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Breakout 107 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Breakout Anniversary (ANX) 114 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Breakout 114 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Breakout 114 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Low Rider 107 | Softail | 2018 | Non EC Approved |
| Harley Davidson | Softail Low Rider 107 | Softail | 2019 | Non EC Approved |
| Harley Davidson | Softail Low Rider 107 | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Low Rider S 114 | Softail | 2020 | |
| Harley Davidson | Softail Low Rider S 114 | Softail | 2021 | |
| Harley Davidson | Softail Low Rider S 117 | Softail | 2022 | |
| Harley Davidson | Softail Low Rider S 117 | Softail | 2023 | |
| Harley Davidson | Softail Low Rider S 117 | Softail | 2024 | |
| Harley Davidson | Softail Low Rider S 117 H.O. | Softail | 2025 | |
| Harley Davidson | Softail Low Rider S 117 H.O. | Softail | 2026 | |
| Harley Davidson | Softail Low Rider ST EL Diablo 117 | Softail | 2022 | |
| Harley Davidson | Softail Low Rider ST 117 | Softail | 2023 | |
| Harley Davidson | Softail Low Rider ST 117 | Softail | 2024 | |
| Harley Davidson | Softail Low Rider ST 117 H.O. | Softail | 2025 | |
| Harley Davidson | Softail Low Rider ST 117 H.O. | Softail | 2026 | |
| Harley Davidson | Softail Standard | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Standard | Softail | 2024 | |
| Harley Davidson | Softail Standard | Softail | 2020 | Non EC Approved |
| Harley Davidson | Softail Standard | Softail | 2021 | Non EC Approved |
| Harley Davidson | Softail Standard | Softail | 2022 | Non EC Approved |
| Harley Davidson | Softail Standard | Softail | 2023 | Non EC Approved |
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