Description
S&S 4-1/2″ MK45 Performance Mufflers
- Mk45 4-1/2″ Touring Mufflers are the result of decades of riding, racing and tuning
- Uses both stainless steel baffle and RaceTEX fiberglass cartridge packing
- Create a deep, performance rumble tone 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
More Performance Bagger exhausts HERE.
*Qualified manufacturer declared replacement part on all ’17-’23 model year M-Eight powered FL touring models.
*Qualified Manufacturer declared replacement part on FL touring models listed. California FL Touring Models: Fuel injected MY ’95-’03, ’07, and ’09-’16; CVO MY ’00-’03, and ’09-’16, 49 State FL Touring Models: Carbureted MY ’95-’05; Fuel Injected MY ’95-’05, and ’07-’16; CVO MY ’00-’05, and ’09-’16.
Fitment Guide
17+ M8 fits:
| 2022 | Harley-Davidson | Road Glide ST FLTRXST | – | – |
| 2022 | Harley-Davidson | Street Glide ST FLHXST | – | – |
| 2020-2022 | Harley-Davidson | Road Glide Limited FLTRK | – | – |
| 2019-2022 | Harley-Davidson | Electra Glide Standard EFI FLHTI | – | – |
| 2017-2022 | Harley-Davidson | Street Glide Special FLHXS | – | – |
| 2017-2022 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | – | – |
| 2017-2022 | Harley-Davidson | Road King EFI FLHR | – | – |
| 2017-2022 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2017-2022 | Harley-Davidson | CVO Street Glide FLHXSE | – | – |
| 2017-2022 | Harley-Davidson | Road King Special FLHRXS | – | – |
| 2017-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | – | – |
| 2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI | – | – |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | – | – |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | – | – |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
99-17 Twin Cam fits:
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | – | – |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | – | – |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL | – | – |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | – | – |
| 2011-2013, 2016 | Harley-Davidson | Road Glide Ultra FLTRU | – | – |
| 2010-2016 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | – | – |
| 2010-2013, 2015-2016 | Harley-Davidson | Road Glide Custom FLTRX | – | – |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | – | – |
| 2006-2016 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2006 | Harley-Davidson | Street Glide FLHX | – | – |
| 2004-2007 | Harley-Davidson | Road King Custom EFI FLHRS | – | – |
| 2004-2006 | Harley-Davidson | Road King Custom FLHRS | – | – |
| 2003-2009 | Harley-Davidson | Electra Glide Standard EFI FLHTI | – | – |
| 1998-2009 | Harley-Davidson | Road Glide EFI FLTR | – | – |
| 1998-2006 | Harley-Davidson | Road King Classic EFI FLHRC | – | – |
| 1998-2002 | Harley-Davidson | Road Glide FLTR | – | – |
| 1996-2001, 2007-2016 | Harley-Davidson | Road King EFI FLHR | – | – |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU | – | – |
| 1995-2013 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | – | – |
| 1995-2006 | Harley-Davidson | Electra Glide Standard FLHT | – | – |
| 1995-2006 | Harley-Davidson | Road King FLHR | – | – |
| 1995-2005 | Harley-Davidson | Electra Glide Classic FLHTC | – | – |
| 1995-1999 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | – | – |
| 1995-1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
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