Product Description
S&S 4.5" MK45 Performance Mufflers use a multi-layer packing to give your bike a deep tone and improve horsepower. Mufflers features a black body with black machined end caps. Choose from either Thruster or Tracer style end caps.
Fits: 2017-2023 Harley Touring FLHT/ FLHTK/ FLTRK/ FLTRU/ FLHR/ FLHX models
- MK45 Performance mufflers are the result of decades of riding and racing
- Using both stainless steel and fiberglass packing, these mufflers create a deep, performance tone and improved horsepower
- Black muffler body with black/machined End Caps - Choose Thruster or Tracer Style Cap
- Multi-layered acoustic packing provides consistent sound for the life of the muffler
- Sold in pairs
- Made in the U.S.A.
NOTE: Qualified Manufacturer Declared Replacement Part on all 17-20 model year M-Eight powered FL touring models.
Disclaimer: The California Air Resources Board (“CARB”) does not permit the use of aftermarket emission-related parts, devices, or systems that alter the performance of OEM emission-related devices unless CARB has issued an Executive Order, other than on racing vehicles on closed courses. Check your local laws and manufacturer's information.
Fitment
2021 | Harley-Davidson | Street Glide EFI FLHX | - | - |
2021 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
2021 | Harley-Davidson | Road King EFI FLHR | - | - |
2021 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
2020-2021 | Harley-Davidson | Road Glide Limited FLTRK | - | - |
2020 | Harley-Davidson | Road King EFI FLHR | - | - |
2020 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
2020 | Harley-Davidson | Street Glide EFI FLHX | - | - |
2020 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
2019-2021 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
2019 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
2017-2021 | Harley-Davidson | Street Glide Special FLHXS | - | - |
2017-2021 | Harley-Davidson | Road King Special FLHRXS | - | - |
2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | - | - |
2017-2021 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | - | - |
2017-2019 | Harley-Davidson | Street Glide EFI FLHX | - | - |
2017-2019 | Harley-Davidson | Road King EFI FLHR | - | - |
2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | - | - |
2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |
2017-2019 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
2017-2018 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
Black / Black Thruster End Caps | 550-0666 |
Black / Black Tracer End Caps | 550-0670 |