S&S CYCLE 2-into-1 Sidewinder Exhaust System, FL M8, Black Ceramic, 550-0729, Fits Select Harley-Davidson Models

2-into-1 Sidewinder® Exhaust System - FL M8 - Black Ceramic

The S&S CYCLE 2-into-1 Sidewinder Exhaust System is designed for select Harley-Davidson motorcycles and features a black ceramic finish. The system is built with stainless steel headers and a matched muffler body measuring 4-1/2 inches in diameter. Its design delivers increased power and torque along with a deep performance exhaust note.

This exhaust system includes a removable dB reducer and adapters for use with wide-band or stock O2 sensors. A machined aluminum end cap and all necessary mounting hardware are included. The manufacturer part number is 550-0729. Distributor part number was not provided.

Fitment includes the 2023 and 2021 Harley-Davidson Electra Glide Police FLHTPI; 2022 Harley-Davidson Road King Police FLHP; 2025 Harley-Davidson FLTRXSE CVO Road Glide; 2017 Harley-Davidson FLHRXS Road King Special, FLTRX Road Glide, FLHX Street Glide, and FLHTKSE CVO Limited; 2022 Harley-Davidson FLHR Road King; and 2022 Harley-Davidson FLTRXST Road Glide ST. Made in the USA.

Features:

• Construction: Stainless steel header construction
• Performance: Designed for increased power and torque
• Sound: Deep performance exhaust note
• O2 Sensor Compatibility: Includes adapters for wide-band or stock O2 sensors
• Sound Adjustment: Removable dB reducer included
• End Cap: Machined aluminum end cap
• Muffler: Matched muffler body with a 4-1/2-inch diameter
• Installation: All necessary mounting hardware included
• Finish: Black ceramic
• Manufacturer Part Number: 550-0729
• Origin: Made in the USA
• Fitment: Fits select 2017, 2021, 2022, 2023, and 2025 Harley-Davidson models listed in the product description

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
2020 Harley-Davidson Road King Police FLHP
2021 Harley-Davidson Electra Glide Police FLHTPI
2021 Harley-Davidson FLH Electra Glide Revival
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
2021 Harley-Davidson Road King Police FLHP
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
2022 Harley-Davidson Road King Police FLHP
2023 Harley-Davidson Electra Glide Police FLHTPI
2023 Harley-Davidson FLHFB Electra Glide Highway King
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
2023 Harley-Davidson FLTRX Road Glide
2023 Harley-Davidson FLTRXS Road Glide Special
2023 Harley-Davidson FLTRXSE CVO Road Glide
2023 Harley-Davidson FLTRXST Road Glide ST
2023 Harley-Davidson Road King Police FLHP
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
2024 Harley-Davidson FLTRX Road Glide
2024 Harley-Davidson FLTRXSE CVO Road Glide
2024 Harley-Davidson FLTRXSTSE CVO Road Glide ST
2024 Harley-Davidson Road Glide Police FLTRXP
2024 Harley-Davidson Road King Police FLHP
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 FLTRX Road Glide
2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR
2025 Harley-Davidson FLTRXSE CVO Road Glide
2025 Harley-Davidson FLTRXSTSE CVO Road Glide ST
2025 Harley-Davidson Road Glide Custom FLTRX
2025 Harley-Davidson Road Glide Police FLTRXP
2025 Harley-Davidson Street Glide EFI FLHX
2026 Harley-Davidson FLHX Street Glide
2026 Harley-Davidson FLHXL Street Glide Limited
2026 Harley-Davidson FLHXLSE CVO Street Glide Limited
2026 Harley-Davidson FLHXSE CVO Street Glide
2026 Harley-Davidson FLTRX Road Glide
2026 Harley-Davidson FLTRXL Road Glide Limited
2026 Harley-Davidson FLTRXSTSE CVO Road Glide ST
2026 Harley-Davidson Road Glide Police FLTRXP