S&S CYCLE 550-0666 4-1/2" MK45 Performance Mufflers — Thruster - Black Thruster
Manufacturer Part Number: 550-0666
Drag Part Number: 1801-1077
4-1/2" MK45 Performance Mufflers - Black Thruster
- Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning
- Combines both a stainless steel baffle and RaceTEX cartridge packing
- Create a deep rumble and improved horsepower and torque, all while adding a unique look with styled aluminum endcaps
- Removable dB reducer
- Made in U.S.A.
- Not for Trike applications
Note: NOW HAVE ALL BLK END CAPS25PJL
Fitment
- 2017 Harley-Davidson Electra Glide Police FLHTPI
- 2017 Harley-Davidson FLHR Road King
- 2017 Harley-Davidson FLHRXS Road King Special
- 2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2017 Harley-Davidson FLHTK Ultra Limited
- 2017 Harley-Davidson FLHTKL Ultra Limited Low
- 2017 Harley-Davidson FLHTKSE CVO Limited
- 2017 Harley-Davidson FLHX Street Glide
- 2017 Harley-Davidson FLHXS Street Glide Special
- 2017 Harley-Davidson FLHXSE CVO Street Glide
- 2017 Harley-Davidson FLTRU Road Glide Ultra
- 2017 Harley-Davidson FLTRX Road Glide
- 2017 Harley-Davidson FLTRXS Road Glide Special
- 2018 Harley-Davidson Electra Glide Police FLHTPI
- 2018 Harley-Davidson FLHR Road King
- 2018 Harley-Davidson FLHRXS Road King Special
- 2018 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2018 Harley-Davidson FLHTK Ultra Limited
- 2018 Harley-Davidson FLHTKL Ultra Limited Low
- 2018 Harley-Davidson FLHTKSE CVO Limited
- 2018 Harley-Davidson FLHX Street Glide
- 2018 Harley-Davidson FLHXS Street Glide Special
- 2018 Harley-Davidson FLHXSE CVO Street Glide
- 2018 Harley-Davidson FLTRU Road Glide Ultra
- 2018 Harley-Davidson FLTRX Road Glide
- 2018 Harley-Davidson FLTRXS Road Glide Special
- 2018 Harley-Davidson FLTRXSE CVO Road Glide
- 2019 Harley-Davidson Electra Glide Police FLHTPI
- 2019 Harley-Davidson FLHR Road King
- 2019 Harley-Davidson FLHRXS Road King Special
- 2019 Harley-Davidson FLHT Electra Glide Standard
- 2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic
- 2019 Harley-Davidson FLHTK Ultra Limited
- 2019 Harley-Davidson FLHTKL Ultra Limited Low
- 2019 Harley-Davidson FLHTKSE CVO Limited
- 2019 Harley-Davidson FLHX Street Glide
- 2019 Harley-Davidson FLHXS Street Glide Special
- 2019 Harley-Davidson FLHXSE CVO Street Glide
- 2019 Harley-Davidson FLTRU Road Glide Ultra
- 2019 Harley-Davidson FLTRX Road Glide
- 2019 Harley-Davidson FLTRXS Road Glide Special
- 2019 Harley-Davidson FLTRXSE CVO Road Glide
- 2020 Harley-Davidson Electra Glide Police FLHTPI
- 2020 Harley-Davidson FLHR Road King
- 2020 Harley-Davidson FLHRXS Road King Special
- 2020 Harley-Davidson FLHT Electra Glide Standard
- 2020 Harley-Davidson FLHTK Ultra Limited
- 2020 Harley-Davidson FLHTKSE CVO Limited
- 2020 Harley-Davidson FLHX Street Glide
- 2020 Harley-Davidson FLHXS Street Glide Special
- 2020 Harley-Davidson FLHXSE CVO Street Glide
- 2020 Harley-Davidson FLTRK Road Glide Limited
- 2020 Harley-Davidson FLTRX Road Glide
- 2020 Harley-Davidson FLTRXS Road Glide Special
- 2020 Harley-Davidson FLTRXSE CVO Road Glide
- 2021 Harley-Davidson Electra Glide Police FLHTPI
- 2021 Harley-Davidson FLHR Road King
- 2021 Harley-Davidson FLHRXS Road King Special
- 2021 Harley-Davidson FLHT Electra Glide Standard
- 2021 Harley-Davidson FLHTK Ultra Limited
- 2021 Harley-Davidson FLHTKSE CVO Limited
- 2021 Harley-Davidson FLHX Street Glide
- 2021 Harley-Davidson FLHXS Street Glide Special
- 2021 Harley-Davidson FLHXSE CVO Street Glide
- 2021 Harley-Davidson FLTRK Road Glide Limited
- 2021 Harley-Davidson FLTRX Road Glide
- 2021 Harley-Davidson FLTRXS Road Glide Special
- 2021 Harley-Davidson FLTRXSE CVO Road Glide
- 2022 Harley-Davidson Electra Glide Police FLHTPI
- 2022 Harley-Davidson FLHR Road King
- 2022 Harley-Davidson FLHRXS Road King Special
- 2022 Harley-Davidson FLHT Electra Glide Standard
- 2022 Harley-Davidson FLHTK Ultra Limited
- 2022 Harley-Davidson FLHX Street Glide
- 2022 Harley-Davidson FLHXS Street Glide Special
- 2022 Harley-Davidson FLHXSE CVO Street Glide
- 2022 Harley-Davidson FLHXST Street Glide ST
- 2022 Harley-Davidson FLTRK Road Glide Limited
- 2022 Harley-Davidson FLTRKSE CVO Road Glide Limited
- 2022 Harley-Davidson FLTRX Road Glide
- 2022 Harley-Davidson FLTRXS Road Glide Special
- 2022 Harley-Davidson FLTRXSE CVO Road Glide
- 2022 Harley-Davidson FLTRXST Road Glide ST
- 2023 Harley-Davidson Electra Glide Police FLHTPI
- 2023 Harley-Davidson FLHRXS Road King Special
- 2023 Harley-Davidson FLHTK Ultra Limited
- 2023 Harley-Davidson FLHX Street Glide
- 2023 Harley-Davidson FLHXS Street Glide Special
- 2023 Harley-Davidson FLHXSE CVO Street Glide
- 2023 Harley-Davidson FLHXST Street Glide ST
- 2023 Harley-Davidson FLTRK Road Glide Limited
- 2023 Harley-Davidson FLTRKSE CVO Road Glide Limited
- 2024 Harley-Davidson Electra Glide Police FLHTPI
- 2024 Harley-Davidson FLHRXS Road King Special
- 2024 Harley-Davidson FLHTK Ultra Limited
- 2024 Harley-Davidson FLHX Street Glide
- 2024 Harley-Davidson FLHXSE CVO Street Glide
- 2024 Harley-Davidson FLTRK Road Glide Limited
- 2025 Harley-Davidson Electra Glide Police FLHTP
- 2025 Harley-Davidson Electra Glide Police FLHTPI
- 2025 Harley-Davidson FLHRXS Road King Special
- 2025 Harley-Davidson FLHX Street Glide
- 2025 Harley-Davidson FLHXSE CVO Street Glide
- 2025 Harley-Davidson FLHXU Street Glide Ultra
- 2025 Harley-Davidson Street Glide EFI FLHX
Fitment confidence: DIRECT_HTTP_EXACT_AND_PRODUCT_HIERARCHY_MATCH
4-1/2" MK45 Performance Mufflers - Black Thruster
- Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning
