4-1/2" MK45 Performance Mufflers — 4-1/2" outer diameter, slip-on, black end caps

S&S CYCLE 4-1/2" MK45 Performance Mufflers — 4-1/2" outer diameter, slip-on, black end caps – 84 Big Twin, 84-16 Touring, 00-16 CVO

S&S CYCLE
1801-0847
550-0619
4-1/2" MK45 touring mufflers that produce a deep rumble and improved horsepower. Features stainless steel baffle, RaceTEX packing and removable dB reducer. Not for trike use.
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The MK45 4-1/2" Touring mufflers are the product of decades of riding, racing and tuning. 🔊 Designed to deliver a deep rumble and improved horsepower and torque, they add a distinctive look with styled aluminum endcaps.

  • Combines a stainless steel baffle and RaceTEX cartridge packing for controlled tone and longevity.
  • Includes a removable dB reducer for easy sound management.
  • Purpose-built for touring applications; not intended for trike use.

Installation is straightforward for compatible bikes, and each pair is carefully finished for consistent performance. Made in the U.S. 🇺🇸

: 1801-0847
In Stock

Data sheet

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

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 Belt Drive Big Twin 1984
Harley Davidson Road King Touring 1994
Harley Davidson Road King Touring 1995
Harley Davidson Road King Touring 1996
Harley Davidson Road King Touring 1997
Harley Davidson Road King Touring 1998
Harley Davidson Road King Touring 1999
Harley Davidson Road King Touring 2000
Harley Davidson Road King Touring 2001
Harley Davidson Road King Touring 2002
Harley Davidson Road King Touring 2003
Harley Davidson Road King Touring 2004
Harley Davidson Road King Touring 2005
Harley Davidson Road King Touring 2006
Harley Davidson Road King Touring 2007
Harley Davidson Road King Touring 2008
Harley Davidson Road King Touring 2009
Harley Davidson Road King Touring 2010
Harley Davidson Road King Touring 2011
Harley Davidson Road King Touring 2008
Harley Davidson Road King Touring 2009
Harley Davidson Road King Touring 2010
Harley Davidson Road King Touring 2011
Harley Davidson Road King Touring 2012
Harley Davidson Road King Touring 2013
Harley Davidson Road King Touring 2014
Harley Davidson Road King Touring 2015
Harley Davidson Road King Touring 2012
Harley Davidson Road King Touring 2013
Harley Davidson Road King Touring 2014
Harley Davidson Road King Touring 2015
Harley Davidson Road King Touring 2016
Harley Davidson Road King Classic Touring 2004
Harley Davidson Road King Classic Touring 2007
Harley Davidson Road King Classic Touring 2008
Harley Davidson Road King Classic Touring 2009
Harley Davidson Road King Classic Touring 2010
Harley Davidson Road King Classic Touring 2008
Harley Davidson Road King Classic Touring 2009
Harley Davidson Road King Classic Touring 2010
Harley Davidson Road King Classic Touring 2011
Harley Davidson Road King Classic Touring 2011
Harley Davidson Road King Classic Touring 2012
Harley Davidson Road King Classic Touring 2013
Harley Davidson Road King Classic Touring 2014
Harley Davidson Road King Classic Touring 2015
Harley Davidson Road King Classic Touring 2016
Harley Davidson Road King Classic Touring 1998
Harley Davidson Road King Classic Touring 1999
Harley Davidson Road King Classic Touring 2000
Harley Davidson Road King Classic Touring 2001
Harley Davidson Road King Classic Touring 2002
Harley Davidson Road King Classic Touring 2003
Harley Davidson Road King Classic Touring 2004
Harley Davidson Road King Classic Touring 2005
Harley Davidson Road King Classic Touring 2006
Harley Davidson Road King Touring 1996
Harley Davidson Road King Touring 1997
Harley Davidson Road King Touring 1999
Harley Davidson Road King Touring 2000
Harley Davidson Road King Touring 2001
Harley Davidson Road King Touring 2002
Harley Davidson Road King Touring 2003
Harley Davidson Road King Touring 2004
Harley Davidson Road King Touring 2005
Harley Davidson Road King Touring 2006
Harley Davidson Road King Custom Touring 2004
Harley Davidson Road King Custom Touring 2005
Harley Davidson Road King Custom Touring 2006
Harley Davidson Road King Custom Touring 2007
Harley Davidson Road King Screamin Eagle CVO 2007
Harley Davidson Road King Screamin Eagle CVO 2008
Harley Davidson Road King CVO 110th Anniversary CVO 2013
Harley Davidson Road King CVO CVO 2014
Harley Davidson Road King Screamin Eagle CVO 2002
Harley Davidson Road King Screamin Eagle CVO 2003
Harley Davidson Road King Custom Touring 2004
Harley Davidson Road King Custom Touring 2005
Harley Davidson Road King Custom Touring 2006
Harley Davidson Electra Glide Sport Touring 1987
Harley Davidson Electra Glide Sport Touring 1988
Harley Davidson Electra Glide Sport Touring 1989
Harley Davidson Electra Glide Sport Touring 1990
Harley Davidson Electra Glide Sport Touring 1991
Harley Davidson Electra Glide Sport Touring 1992
Harley Davidson Electra Glide Sport Touring 1993
Harley Davidson Electra Glide Sport Touring 1994
Harley Davidson Electra Glide Touring 1984
Harley Davidson Electra Glide Touring 1986
Harley Davidson Electra Glide Touring 1987
Harley Davidson Electra Glide Touring 1988
Harley Davidson Electra Glide Standard Touring 1995
Harley Davidson Electra Glide Standard Touring 1996
Harley Davidson Electra Glide Standard Touring 1997
Harley Davidson Electra Glide Standard Touring 1998
Harley Davidson Electra Glide Touring 1999
Harley Davidson Electra Glide Touring 2000
Harley Davidson Electra Glide Touring 2001
Harley Davidson Electra Glide Touring 2002
Harley Davidson Electra Glide Touring 2003
Harley Davidson Electra Glide Touring 2004
Harley Davidson Electra Glide Touring 2005
Harley Davidson Electra Glide Touring 2006
Harley Davidson Electra Glide Touring 2007
Harley Davidson Electra Glide Touring 2008
Harley Davidson Electra Glide Touring 2009
Harley Davidson Electra Glide Touring 2010
Harley Davidson Electra Glide Touring 2008
Harley Davidson Electra Glide Touring 2009
Harley Davidson Electra Glide Touring 2010
Harley Davidson Electra Glide Classic Touring 1984
Harley Davidson Electra Glide Classic Touring 1985
Harley Davidson Electra Glide Classic Touring 1986
Harley Davidson Electra Glide Classic Touring 1987
Harley Davidson Electra Glide Classic Touring 1988
Harley Davidson Electra Glide Classic Touring 1989
Harley Davidson Electra Glide Classic Touring 1990
Harley Davidson Electra Glide Classic Touring 1991
Harley Davidson Electra Glide Classic Touring 1992
Harley Davidson Electra Glide Classic Touring 1993
Harley Davidson Electra Glide Classic Touring 1994
Harley Davidson Electra Glide Classic Touring 1995
Harley Davidson Electra Glide Classic Touring 1996
Harley Davidson Electra Glide Classic Touring 1997
Harley Davidson Electra Glide Classic Touring 1998
Harley Davidson Electra Glide Classic Touring 2002
Harley Davidson Electra Glide Classic Touring 2003
Harley Davidson Electra Glide Classic Touring 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Classic Touring 2007
Harley Davidson Electra Glide Classic Touring 2008
Harley Davidson Electra Glide Classic Touring 2009
Harley Davidson Electra Glide Classic Touring 2010
Harley Davidson Electra Glide Classic Touring 2011
Harley Davidson Electra Glide Classic Touring 2009
Harley Davidson Electra Glide Classic Touring 2010
Harley Davidson Electra Glide Classic Touring 2011
Harley Davidson Electra Glide Classic Touring 2012
Harley Davidson Electra Glide Classic Touring 2013
Harley Davidson Electra Glide Classic Touring 2011
Harley Davidson Electra Glide Classic Touring 2012
Harley Davidson Electra Glide Classic Touring 2013
Harley Davidson Electra Glide Classic Touring 1996
Harley Davidson Electra Glide Classic Touring 1997
Harley Davidson Electra Glide Classic Touring 1998
Harley Davidson Electra Glide Classic Touring 1999
Harley Davidson Electra Glide Classic Touring 2000
Harley Davidson Electra Glide Classic Touring 2003
Harley Davidson Electra Glide Classic Touring 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Classic Touring 2006
Harley Davidson Electra Glide Screamin Eagle CVO 2004
Harley Davidson Electra Glide Screamin Eagle CVO 2005
Harley Davidson Electra Glide Ultra Classic Touring 1989
Harley Davidson Electra Glide Ultra Classic Touring 1990
Harley Davidson Electra Glide Ultra Classic Touring 1991
Harley Davidson Electra Glide Ultra Classic Touring 1992
Harley Davidson Electra Glide Ultra Classic Touring 1993
Harley Davidson Electra Glide Ultra Classic Touring 1994
Harley Davidson Electra Glide Ultra Classic Touring 1995
Harley Davidson Electra Glide Ultra Classic Touring 1996
Harley Davidson Electra Glide Ultra Classic Touring 1997
Harley Davidson Electra Glide Ultra Classic Touring 2007
Harley Davidson Electra Glide Ultra Classic Touring 2009
Harley Davidson Electra Glide Ultra Classic Touring 2010
Harley Davidson Electra Glide Ultra Classic Touring 2011
Harley Davidson Electra Glide Ultra Classic Touring 2008
Harley Davidson Electra Glide Ultra Classic Touring 2009
Harley Davidson Electra Glide Ultra Classic Touring 2010
Harley Davidson Electra Glide Ultra Classic Touring 2011
Harley Davidson Electra Glide Ultra Classic Touring 2012
Harley Davidson Electra Glide Ultra Classic Touring 2013
Harley Davidson Electra Glide Ultra Classic Touring 2012
Harley Davidson Electra Glide Ultra Classic Touring 2013
Harley Davidson Electra Glide Ultra Classic Touring 2014
Harley Davidson Electra Glide Ultra Classic Touring 2015
Harley Davidson Electra Glide Ultra Classic Touring 2016
Harley Davidson Electra Glide Ultra Classic Special Anniversary Edition Touring 1995
Harley Davidson Electra Glide Ultra Classic Touring 1996
Harley Davidson Electra Glide Ultra Classic Touring 1997
Harley Davidson Electra Glide Ultra Classic Touring 1998
Harley Davidson Electra Glide Ultra Classic Touring 1999
Harley Davidson Electra Glide Ultra Classic Touring 2000
Harley Davidson Electra Glide Ultra Classic Touring 2001
Harley Davidson Electra Glide Ultra Classic Touring 2002
Harley Davidson Electra Glide Ultra Classic Touring 2003
Harley Davidson Electra Glide Ultra Classic Touring 2004
Harley Davidson Electra Glide Ultra Classic Touring 2005
Harley Davidson Electra Glide Ultra Classic Touring 2006
Harley Davidson Electra Glide Ultra Classic Low Touring 2015
Harley Davidson Electra Glide Ultra Classic Low Touring 2016
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2006
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2007
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2008
Harley Davidson Electra Glide Ultra Classic CVO CVO 2009
Harley Davidson Electra Glide Ultra Classic CVO CVO 2010
Harley Davidson Electra Glide Ultra Classic CVO CVO 2011
Harley Davidson Electra Glide Ultra Classic CVO CVO 2012
Harley Davidson Electra Glide Ultra Classic CVO Touring 2013
Harley Davidson Electra Glide Classic Touring 1984
Harley Davidson Electra Glide Touring 2004
Harley Davidson Electra Glide Touring 2005
Harley Davidson Electra Glide Touring 2006
Harley Davidson Electra Glide Ultra Limited Touring 2010
Harley Davidson Electra Glide Ultra Limited Touring 2011
Harley Davidson Electra Glide Ultra Limited Touring 2011
Harley Davidson Electra Glide Ultra Limited Touring 2012
Harley Davidson Electra Glide Ultra Limited Touring 2013
Harley Davidson Electra Glide Ultra Limited Touring 2014
Harley Davidson Electra Glide Ultra Limited Touring 2015
Harley Davidson Electra Glide Ultra Limited Touring 2016
Harley Davidson Electra Glide Ultra Limited Low Touring 2015
Harley Davidson Electra Glide Ultra Limited Low Touring 2016
Harley Davidson Electra Glide Ultra Limited CVO CVO 2014
Harley Davidson Electra Glide Ultra Limited CVO CVO 2015
Harley Davidson Electra Glide Ultra Limited CVO CVO 2016
Harley Davidson Street Glide Touring 2006
Harley Davidson Street Glide Touring 2007
Harley Davidson Street Glide Touring 2008
Harley Davidson Street Glide Touring 2009
Harley Davidson Street Glide Touring 2010
Harley Davidson Street Glide Touring 2011
Harley Davidson Street Glide Touring 2008
Harley Davidson Street Glide Touring 2009
Harley Davidson Street Glide Touring 2010
Harley Davidson Street Glide Touring 2011
Harley Davidson Street Glide Touring 2011
Harley Davidson Street Glide Touring 2012
Harley Davidson Street Glide Touring 2013
Harley Davidson Street Glide Touring 2014
Harley Davidson Street Glide Touring 2015
Harley Davidson Street Glide Touring 2016
Harley Davidson Street Glide Touring 2011
Harley Davidson Street Glide Touring 2012
Harley Davidson Street Glide Touring 2013
Harley Davidson Street Glide Touring 2014
Harley Davidson Street Glide Touring 2015
Harley Davidson Street Glide Touring 2016
Harley Davidson Street Glide Touring 2006
Harley Davidson Street Glide Special Touring 2014
Harley Davidson Street Glide Special Touring 2015
Harley Davidson Street Glide Special Touring 2016
Harley Davidson Street Glide CVO CVO 2010
Harley Davidson Street Glide CVO CVO 2015
Harley Davidson Street Glide CVO CVO 2016
Harley Davidson Street Glide CVO CVO 2011
Harley Davidson Street Glide CVO CVO 2012
Harley Davidson Tour Glide Touring 1984
Harley Davidson Tour Glide Classic Touring 1984
Harley Davidson Tour Glide Classic Touring 1985
Harley Davidson Tour Glide Classic Touring 1986
Harley Davidson Tour Glide Classic Touring 1987
Harley Davidson Tour Glide Classic Touring 1988
Harley Davidson Tour Glide Classic Touring 1989
Harley Davidson Tour Glide Classic Touring 1990
Harley Davidson Tour Glide Classic Touring 1991
Harley Davidson Tour Glide Ultra Classic Touring 1989
Harley Davidson Tour Glide Ultra Classic Touring 1990
Harley Davidson Tour Glide Ultra Classic Touring 1991
Harley Davidson Tour Glide Ultra Classic Touring 1992
Harley Davidson Tour Glide Ultra Classic Touring 1993
Harley Davidson Tour Glide Ultra Classic Touring 1994
Harley Davidson Tour Glide Ultra Classic Touring 1995
Harley Davidson Tour Glide Ultra Classic Touring 1996
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2000
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 2002
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 2007
Harley Davidson Road Glide Touring 2008
Harley Davidson Road Glide Touring 2009
Harley Davidson Road Glide Touring 2010
Harley Davidson Road Glide Touring 2009
Harley Davidson Road Glide Touring 2010
Harley Davidson Road Glide Touring 1998
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2000
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 2002
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 2004
Harley Davidson Road Glide Touring 2005
Harley Davidson Road Glide Touring 2006
Harley Davidson Road Glide CVO CVO 2009
Harley Davidson Road Glide Screamin Eagle CVO 2000
Harley Davidson Road Glide Screamin Eagle CVO 2001
Harley Davidson Road Glide Ultra Touring 2011
Harley Davidson Road Glide Ultra Touring 2011
Harley Davidson Road Glide Ultra Touring 2012
Harley Davidson Road Glide Ultra Touring 2013
Harley Davidson Road Glide Ultra Touring 2016
Harley Davidson Road Glide Ultra CVO CVO 2011
Harley Davidson Road Glide Ultra CVO CVO 2015
Harley Davidson Road Glide Ultra CVO CVO 2016
Harley Davidson Road Glide Custom Touring 2010
Harley Davidson Road Glide Custom Touring 2011
Harley Davidson Road Glide Custom Touring 2010
Harley Davidson Road Glide Custom Touring 2011
Harley Davidson Road Glide Custom Touring 2011
Harley Davidson Road Glide Custom Touring 2012
Harley Davidson Road Glide Custom Touring 2013
Harley Davidson Road Glide Touring 2015
Harley Davidson Road Glide Touring 2016
Harley Davidson Road Glide Custom Touring 2011
Harley Davidson Road Glide Custom Touring 2012
Harley Davidson Road Glide Custom Touring 2013
Harley Davidson Road Glide Touring 2015
Harley Davidson Road Glide Touring 2016
Harley Davidson Road Glide Special Touring 2015
Harley Davidson Road Glide Special Touring 2016
Harley Davidson Road Glide Custom CVO CVO 2012
Harley Davidson Road Glide Custom CVO CVO 2013