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S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers, manufacturer part number 550-1011, feature a bold 4-1/2-inch design with a stainless steel baffle and RaceTEX packing. These performance mufflers produce a deep bass rumble throughout the RPM range.
The mufflers include a removable dB reducer and are described as 50-state legal. Made in the U.S.A., they are designed for the listed Harley-Davidson applications, including the 2023 and 2021 Electra Glide Police FLHTPI, 2017 FLHRXS Road King Special, 2017 FLTRX Road Glide, 2017 FLHX Street Glide, 2017 FLHTKSE CVO Limited, 2022 FLHR Road King, 2022 FLTRXST Road Glide ST, 2021 FLHTK Ultra Limited, and 2019 FLHXS Street Glide Special. Distributor part number: 18011494.
Features:
- 4-1/2-inch chrome MK45 Cutlass performance muffler design
- Stainless steel baffle
- RaceTEX packing
- Produces a deep bass rumble throughout the RPM range
- Removable dB reducer
- 50-state legal
- Made in the U.S.A.
- Fits 2023 and 2021 Harley-Davidson Electra Glide Police FLHTPI
- Fits 2017 Harley-Davidson FLHRXS Road King Special
- Fits 2017 Harley-Davidson FLTRX Road Glide
- Fits 2017 Harley-Davidson FLHX Street Glide
- Fits 2017 Harley-Davidson FLHTKSE CVO Limited
- Fits 2022 Harley-Davidson FLHR Road King
- Fits 2022 Harley-Davidson FLTRXST Road Glide ST
- Fits 2021 Harley-Davidson FLHTK Ultra Limited
- Fits 2019 Harley-Davidson FLHXS Street Glide Special
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 FLHTPI
2025 Harley-Davidson Electra Glide Police FLHTP
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