Product Description
D&D 2:1 Softail M8 Fat Cat Straight Exhaust for Harley Davidson Softail
The D&D 2:1 Softail M8 Fat Cat Straight Back exhaust is designed for 2018 through 2026 Harley Davidson Softail models equipped with a Milwaukee Eight engine. This two-into-one exhaust system enhances the look and sound of your motorcycle while offering improved performance characteristics. It comes in your choice of finish and includes a stepped header that transitions to where the muffler attaches.
Available Finishes
- Chrome with silver ceramic header
- Black with black ceramic header
Product Features
- Two-into-one “Fat Cat” exhaust design with straight back muffler orientation
- Stepped header design progressing from 1 3/4" to 1 7/8" to 2" diameter
- 2 1/2" diameter where the muffler slides onto the header
- Available in multiple finishes to match your Softail
Fitment and Application
Fits: 2018-2026 Harley Softail Models
This exhaust is engineered for Harley Davidson Softail models from 2018 through 2025 with Milwaukee Eight engines. It replaces the stock exhaust system and installs using the existing mounting points. This specific Fat Cat version is not compatible with Breakout, Fat Boy, or FXDR models. Always verify fitment with your specific year and Softail configuration before ordering.
The D&D Fat Cat Straight Back exhaust provides an option for riders seeking a performance-minded aftermarket exhaust with a distinctive two-into-one layout, enhanced sound quality, and custom styling. Get Lowered Cycles offers this system for riders who want a distinctive appearance and sound upgrade on their Softail motorcycle.
Fitment
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
| 2025 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
| 2025 | Harley-Davidson | FLHC Heritage Classic 117 | - | - |
| 2025 | Harley-Davidson | FXBB Street Bob 117 | - | - |
| 2022-2025 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2022, 2025 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | - | - |
| 2020-2021 | Harley-Davidson | FXST Softail Standard 107 | - | - |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | - | - |
| 2018-2023 | Harley-Davidson | FXFBS Fat Bob 114 | - | - |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | - | - |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | - | - |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | - | - |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | - | - |
| Black | 634N-31B |
| Chrome | 634N-32B |