The S&S CYCLE MK45 4-1/2" slip-on mufflers for Harley Davidson FLHRSI 1450 EFI Road King Custom 2004-2006 are built to deliver a bold sound, increased performance, and a sleek custom look....

The S&S CYCLE TOURING MK45 4.5" black mufflers for Harley Davidson FLHRSI 1450 EFI Road King Custom 2004-2006 are the perfect upgrade for riders aiming to enhance performance, achieve a deep,...

The S&S CYCLE Mk45 black slip-ons for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2017 are the result of decades of riding, racing, and tuning, engineered to deliver deep exhaust tone,...

The S&S CYCLE Mk45 black ceramic slip-on mufflers for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2017 are built for riders who demand aggressive styling, deep exhaust tone, and enhanced...

The S&S CYCLE TOURING MK45 4.5" mufflers for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2017 are the perfect upgrade for riders looking to boost performance, achieve a deep,...

The S&S CYCLE Mk45 black slip-on mufflers with Tracer end caps for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2017 combine race-proven performance with a bold custom look. Built from...

The S&S CYCLE TOURING MK45 4.5" mufflers for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2017 are the perfect solution for riders who want to boost performance, achieve a deep,...

The S&S CYCLE Mk45 black ceramic slip-on mufflers for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2018 are built for riders who demand aggressive styling, deep exhaust tone, and enhanced...

The S&S CYCLE TOURING MK45 4.5" mufflers for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2018 are the perfect solution for riders who want to boost performance, achieve a deep,...

The S&S CYCLE Mk45 black slip-on mufflers with Tracer end caps for Harley Davidson FLHRXS 1750 ABS Road King Special 107 2018 combine race-proven performance with a bold custom look. Built from...