Cobra El Diablo 2-into-1 Raven Black 4.5" Exhaust System (6451RB)
- Uses 4.5" body from PowrFlo muffler
- 3" stepped baffle provides expected sound and power
- New El Diablo style tip with etched Cobra logo
- Massive 2.5" collector allows for exhaust gases to mix, creating huge power power gains
- Features dual oxygen sensor bungs
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2019-2022 | Harley-Davidson | Electra Glide Standard FLHT | |
| 2017-2023 | Harley-Davidson | Road Glide FLTRX | |
| 2020-2023 | Harley-Davidson | Road Glide Limited FLTRK | |
| 2017-2023 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2023 | Harley-Davidson | Road Glide ST FLTRXST | |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2017-2022 | Harley-Davidson | Road King FLHR | |
| 2017-2023 | Harley-Davidson | Road King Special FLHRXS | |
| 2017-2023 | Harley-Davidson | Street Glide FLHX | |
| 2017-2023 | Harley-Davidson | Street Glide Special FLHXS | |
| 2023 | Harley-Davidson | Street Glide ST FLHXST | |
| 2017-2023 | Harley-Davidson | Ultra Limited FLHTK | |
| 2017-2019 | Harley-Davidson | Ultra Limited Low FLHTKL | |