4-1/2" MK45 Performance Mufflers — Ceramic black

S&S CYCLE 4-1/2" MK45 Performance Mufflers — Ceramic black – 17-26 Touring, 17-18, 24-25 Trike, 17-20, 22-23 CVO

S&S CYCLE
1801-1077
550-0666
Deep, race-inspired tone and improved horsepower with RaceTEX packing and removable dB reducer. Made in U.S.A. Not for Trike applications.
Out of Stock
€878.65
€1,051.84
Save €173.19
VAT included
This product is currently unavailable.

Designed from decades of riding, racing and tuning, these MK45 touring mufflers deliver a deep, authoritative tone and improved horsepower and torque. They combine a stainless steel baffle with RaceTEX cartridge packing for tuned performance and durability.

Features:

  • Decades of development for riding and racing 🔧
  • Stainless steel baffle and RaceTEX cartridge packing for consistent performance 🔥
  • Removable dB reducer for adjustable sound levels 🔊
  • Made in U.S.A. 🇺🇸
  • Not for Trike applications

Easy to install and engineered for road use, these mufflers give your bike a distinctive sound and improved mid-range punch. Choose them when you want race-inspired tone and reliable on-road performance.

: 1801-1077
Out of Stock

Data sheet

Type
Slip-On
Units
Pair
Brand
S&S CYCLE
Muffler Color/Finish
Ceramic, Black
End Cap Style
Thruster
End Cap Material
Aluminum
End Cap Color/Finish
Black, Polished
Outer Diameter
11,5 cm (4-1/2")
Harley Family
CVO
Touring
Trike

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Revival 114 Touring 2021
Harley Davidson Electra Glide Highway King 114 Touring 2023
Harley Davidson Road King 107 Touring 2017
Harley Davidson Road King 107 Touring 2018
Harley Davidson Road King 107 Touring 2019
Harley Davidson Road King 107 Touring 2017
Harley Davidson Road King 107 Touring 2018
Harley Davidson Road King 107 Touring 2019
Harley Davidson Road King 107 Touring 2020
Harley Davidson Road King 107 Touring 2021
Harley Davidson Road King 107 Touring 2022
Harley Davidson Road King Classic 107 Touring 2017
Harley Davidson Road King Classic 107 Touring 2018
Harley Davidson Road King Classic 107 Touring 2019
Harley Davidson Road King Special 107 Touring 2017
Harley Davidson Road King Special 107 Touring 2018
Harley Davidson Road King Special 114 Touring 2019
Harley Davidson Road King Special 114 Touring 2020
Harley Davidson Road King Special 114 Touring 2021
Harley Davidson Road King Special 114 Touring 2022
Harley Davidson Road King Special 114 Touring 2023
Harley Davidson Road King Special 114 Touring 2024
Harley Davidson Road King Special 114 Touring 2025
Harley Davidson Electra Glide Standard 107 Touring 2019
Harley Davidson Electra Glide Standard 107 Touring 2020
Harley Davidson Electra Glide Standard 107 Touring 2021
Harley Davidson Electra Glide Standard 107 Touring 2022
Harley Davidson Electra Glide Ultra Classic 107 Touring 2017
Harley Davidson Electra Glide Ultra Classic 107 Touring 2018
Harley Davidson Electra Glide Ultra Classic 107 Touring 2019
Harley Davidson Trike Tri Glide Ultra Classic 107 Trike 2017
Harley Davidson Tri Glide Ultra 107 Trike 2018
Harley Davidson Tri Glide Ultra 114 Trike 2024
Harley Davidson Tri Glide Ultra 114 Trike 2025
Harley Davidson Electra Glide Ultra Limited 107 Touring 2017
Harley Davidson Ultra Limited Shrine Edition 107 Touring 2018
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2019
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2020
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2021
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2022
Harley Davidson Ultra Limited Shrine Edition 114 Touring 2023
Harley Davidson Glide Ultra Limited 114 Touring 2024
Harley Davidson Electra Glide Ultra Limited Low 107 Touring 2017
Harley Davidson Ultra Limited Low 107 Touring 2018
Harley Davidson Ultra Limited Low 114 Touring 2019
Harley Davidson Electra Glide Ultra Limited CVO 114 CVO 2017
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Ultra Limited CVO 117 CVO 2020
Harley Davidson Ultra Limited CVO Anniversary 117 Touring 2018
Harley Davidson Street Glide 107 Touring 2017
Harley Davidson Street Glide 107 Touring 2018
Harley Davidson Street Glide 107 Touring 2019
Harley Davidson Street Glide 107 Touring 2017
Harley Davidson Street Glide 107 Touring 2018
Harley Davidson Street Glide 107 Touring 2019
Harley Davidson Street Glide 107 Touring 2020
Harley Davidson Street Glide 107 Touring 2021
Harley Davidson Street Glide 107 Touring 2022
Harley Davidson Street Glide 107 Touring 2023
Harley Davidson Street Glide 117 Touring 2024
Harley Davidson Street Glide 117 Touring 2025
Harley Davidson Street Glide 117 Touring 2026
Harley Davidson Street Glide Special 107 Touring 2017
Harley Davidson Street Glide Special 107 Touring 2018
Harley Davidson Street Glide Special 114 Touring 2019
Harley Davidson Street Glide Special 114 Touring 2020
Harley Davidson Street Glide Special 114 Touring 2021
Harley Davidson Street Glide Special 114 Touring 2022
Harley Davidson Street Glide Special Anniversary 114 Touring 2023
Harley Davidson Street Glide CVO 114 CVO 2017
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2019
Harley Davidson Street Glide CVO 117 CVO 2020
Harley Davidson Street Glide CVO 117 CVO 2022
Harley Davidson Street Glide CVO 121 CVO 2023
Harley Davidson Street Glide ST 117 Touring 2022
Harley Davidson Street Glide ST 117 Touring 2023
Harley Davidson Freewheeler 107 Trike 2017
Harley Davidson Freewheeler 107 Trike 2018
Harley Davidson Freewheeler 114 Trike 2024
Harley Davidson Freewheeler 114 Trike 2025
Harley Davidson Road Glide Limited 114 Touring 2020
Harley Davidson Road Glide Limited 114 Touring 2021
Harley Davidson Road Glide Limited 114 Touring 2022
Harley Davidson Road Glide Limited 114 Touring 2023
Harley Davidson Road Glide Limited 114 Touring 2024
Harley Davidson Road Glide Limited CVO 117 CVO 2022
Harley Davidson Road Glide Limited Anniversary CVO 117 CVO 2023
Harley Davidson Road Glide 3 114 Trike 2024
Harley Davidson Road Glide 3 114 Trike 2025
Harley Davidson Road Glide Ultra 107 Touring 2017
Harley Davidson Road Glide Ultra 107 Touring 2018
Harley Davidson Road Glide Ultra 114 Touring 2019
Harley Davidson Road Glide 107 Touring 2017
Harley Davidson Road Glide 107 Touring 2018
Harley Davidson Road Glide 107 Touring 2019
Harley Davidson Road Glide 107 Touring 2017
Harley Davidson Road Glide 107 Touring 2018
Harley Davidson Road Glide 107 Touring 2019
Harley Davidson Road Glide 107 Touring 2020
Harley Davidson Road Glide 107 Touring 2021
Harley Davidson Road Glide 107 Touring 2022
Harley Davidson Road Glide 107 Touring 2023
Harley Davidson Road Glide 117 Touring 2024
Harley Davidson Road Glide 117 Touring 2025
Harley Davidson Road Glide 117 Touring 2026
Harley Davidson Road Glide Special 107 Touring 2017
Harley Davidson Road Glide Special 107 Touring 2018
Harley Davidson Road Glide Special 114 Touring 2019
Harley Davidson Road Glide Special 114 Touring 2020
Harley Davidson Road Glide Special 114 Touring 2021
Harley Davidson Road Glide Special 114 Touring 2022
Harley Davidson Road Glide Special 114 Touring 2023
Harley Davidson Road Glide CVO 117 CVO 2018
Harley Davidson Road Glide CVO 117 CVO 2019
Harley Davidson Road Glide CVO 117 CVO 2020
Harley Davidson Road Glide CVO 117 CVO 2022
Harley Davidson Road Glide CVO 121 CVO 2023
Harley Davidson Road Glide ST 117 Touring 2022
Harley Davidson Road Glide ST 117 Touring 2023