S&S® Grand National® 3.25" Slip-Ons are an instant upgrade for your M8 Softail®. 50 State legal; they are equipped with a high-flow catalytic converter to increase flow and performance. Fitment 2018-'22 M8 Softail® Street Bob®, Softail® Standard, Low Rider®, Low Rider®; S, Slim®, Fat Boy® & Breakout® models. (Does not fit Fat Bob®, Sport Glide®, & FXDR models)
Fitment
2018–2022 HD® Softail Street Bob, Low Rider, Slim, Fat Boy, & Breakout models
Features & Benefits
Race inspired Grand National end cap design
Show quality chrome
Deep performance rumble replaces stock whisper tone
California legal! CARB EO# K-010-23
Made in USA!
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 2018-2023 | Harley-Davidson | — | M8 Softail |
| Year | Make | Model |
|---|---|---|
| 2018 | Harley-Davidson | FLFB Fat Boy 107 |
| 2018 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2018 | Harley-Davidson | FLSB Sport Glide 107 |
| 2018 | Harley-Davidson | FLSL Softail Slim 107 |
| 2018 | Harley-Davidson | FXBB Street Bob 107 |
| 2018 | Harley-Davidson | FXBR Breakout 107 |
| 2018 | Harley-Davidson | FXBRS Breakout 114 |
| 2018 | Harley-Davidson | FXLR Low Rider 107 |
| 2019 | Harley-Davidson | FLFB Fat Boy 107 |
| 2019 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2019 | Harley-Davidson | FLSB Sport Glide 107 |
| 2019 | Harley-Davidson | FLSL Softail Slim 107 |
| 2019 | Harley-Davidson | FXBB Street Bob 107 |
| 2019 | Harley-Davidson | FXBR Breakout 107 |
| 2019 | Harley-Davidson | FXBRS Breakout 114 |
| 2019 | Harley-Davidson | FXLR Low Rider 107 |
| 2020 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2020 | Harley-Davidson | FLSB Sport Glide 107 |
| 2020 | Harley-Davidson | FLSL Softail Slim 107 |
| 2020 | Harley-Davidson | FXBB Street Bob 107 |
| 2020 | Harley-Davidson | FXBRS Breakout 114 |
| 2020 | Harley-Davidson | FXLR Low Rider 107 |
| 2020 | Harley-Davidson | FXLRS Low Rider S 114 |
| 2020 | Harley-Davidson | FXST Softail Standard 107 |
| 2021 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2021 | Harley-Davidson | FLSL Softail Slim 107 |
| 2021 | Harley-Davidson | FXBBS Street Bob 114 |
| 2021 | Harley-Davidson | FXLRS Low Rider S 114 |
| 2021 | Harley-Davidson | FXST Softail Standard 107 |
| 2022 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2022 | Harley-Davidson | FXBBS Street Bob 114 |
| 2022 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2022 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2022 | Harley-Davidson | FXST Softail Standard 107 |
| 2022 | Harley-Davidson | Softail Street Bob FXBB |
| 2023 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2023 | Harley-Davidson | FXBBS Street Bob 114 |
| 2023 | Harley-Davidson | FXBR Breakout 117 |
| 2023 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2023 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2023 | Harley-Davidson | FXST Softail Standard 107 |
| 2024 | Harley-Davidson | FLFBS Fat Boy 114 |
| 2024 | Harley-Davidson | FXBBS Street Bob 114 |
| 2024 | Harley-Davidson | FXBR Breakout 117 |
| 2024 | Harley-Davidson | FXLRS Low Rider S 117 |
| 2024 | Harley-Davidson | FXLRST Low Rider ST 117 |
| 2024 | Harley-Davidson | FXST Softail Standard 107 |
Fitment details provided by supplier.
Product Videos
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Type Slip-On
