FMF Q4 Hex Slip-On Muffler CRF450R 2021-2023 041601 1821-2042 Rubber Solenoid Boot for Big Twin The new design features a

The new design features a shorter muffler for an enhanced sporty look

Slip-on mufflers feature 16-gauge steel construction

Accepts Bassani 4" mufflers or most 95-16 OEM-style aftermarket mufflers (not included)

8 at 14000 rpm HP (i) 109

2016-2017 Harley-Davidson CVO Pro Street Breakout FXSE - - 2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S FLSS - - 2014-2015 Harley-Davidson CVO Softail Deluxe FLSTNSE - - 2013-2017 Harley-Davidson Breakout FXSB - - 2013-2014 Harley-Davidson CVO Breakout FXSBSE - - 2012-2017 Harley-Davidson Softail Slim FLS - - 2012 Harley-Davidson CVO Softail Convertible FLSTSE3 - - 2011-2013 Harley-Davidson Blackline FXS - - 2011 Harley-Davidson CVO Softail Convertible FLSTSE2 - - 2010 Harley-Davidson CVO Softail Convertible FLSTSE - - 2009-2017 Harley-Davidson Fat Boy Lo FLSTFB - - 2009 Harley-Davidson CVO Softail Springer FXSTSSE3 - - 2008-2011 Harley-Davidson Softail Cross Bones FLSTSB - - 2008 Harley-Davidson Screamin' Eagle Softail Springer FXSTSSE2 - - 2007-2011 Harley-Davidson Softail Rocker C FXCWC - - 2007-2010 Harley-Davidson Softail Rocker FXCW - - 2007-2010 Harley-Davidson Softail Custom EFI FXSTC - - 2007 Harley-Davidson Screamin' Eagle Softail Springer FXSTSSE - - 2006 Harley-Davidson Softail Heritage EFI FLSTI - - 2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2 - - 2005-2017 Harley-Davidson Softail Deluxe EFI FLSTNI - - 2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI - - 2005-2006 Harley-Davidson Softail Springer Classic FLSTSC - - 2005-2006 Harley-Davidson Softail Deluxe FLSTN - - 2005 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE - - 2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF - - 2004 Harley-Davidson Screamin' Eagle Deuce FXSTDSE2 - - 2003 Harley-Davidson Screamin' Eagle Deuce FXSTDSE - - 2001-2017 Harley-Davidson Softail Fat Boy EFI FLSTFI - - 2001-2017 Harley-Davidson Softail Heritage Classic EFI FLSTCI - - 2001-2012 Harley-Davidson Softail Standard EFI FXSTI - - 2001-2009 Harley-Davidson Softail Night Train EFI FXSTBI - - 2001-2007 Harley-Davidson Softail Deuce EFI FXSTDI - - 2001-2006 Harley-Davidson Softail Springer EFI FXSTSI - - 2001-2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI - - 2000-2006 Harley-Davidson Softail Deuce FXSTD - - 1999-2006 Harley-Davidson Softail Night Train FXSTB - - 1997-2003 Harley-Davidson Softail Heritage Springer FLSTS - - 1995-1997 Harley-Davidson Softail Bad Boy FXSTSB - - 1994-1996 Harley-Davidson Softail Heritage Special FLSTN - - 1993 Harley-Davidson Softail Nostalgia FLSTN - - 1990-2006 Harley-Davidson Softail Fat Boy FLSTF - - 1989-2006 Harley-Davidson Softail Heritage Classic FLSTC - - 1989-2006 Harley-Davidson Softail Springer FXSTS - - 1989-2006 Harley-Davidson Softail Standard FXST - - 1989-1999 Harley-Davidson Softail Custom FXSTC - - 1989-1990

FMF Q4 Hex Slip-On Muffler CRF450R 2021-2023 041601 1821-2042 Rubber Solenoid Boot for Big Twin The new design features aLess sound equals more ground Meets FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off road endurance Made in the U. S. A.