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Cobra PowerFlo 4.5" Slip-On Mufflers

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With a 4.5-inch slim-line tip at it's end, the PowrFlo muffler smoothly tapers to it's 4-inch front. Easy installation, incredible sound and top of its class performance the PowrFlo is tough to beat.
4.5 inch body tapers to 4-inch round at the front 4.5-inch machined aluminum, thin-line tip 3-inch high-flow core for superior performance Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading resonance absorption and prevention Uses proprietary materials with specific acoustical dampening and thermal insulation properties The frequency and location of the perforation patterns in the cores creates significant sound scattering in the mid frequencies, which helps to enhance the low frequency tones
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Harley-Davidson Electra Glide Standard EFI FLHTI 2003-2009
Harley-Davidson Electra Glide Standard FLHT 1995-2006
Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI 2007-2016
Harley-Davidson Electra Glide Ultra Classic FLHTCU 1995-1999
Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL 2015-2016
Harley-Davidson Electra Glide Ultra Limited FLHTK 2010-2016
Harley-Davidson Electra Glide Ultra Limited Low FLHTKL 2015-2016
Harley-Davidson Road Glide Custom FLTRX 2010-2013, 2015-2016
Harley-Davidson Road Glide EFI FLTR 1998-2009
Harley-Davidson Road Glide FLTR 1998-2002
Harley-Davidson Road Glide Special FLTRXS 2015-2016
Harley-Davidson Road Glide Ultra FLTRU 2011-2013, 2016
Harley-Davidson Road King Classic EFI FLHRC 1998-2006
Harley-Davidson Road King Custom EFI FLHRS 2004-2007
Harley-Davidson Road King Custom FLHRS 2004-2006
Harley-Davidson Road King EFI FLHR 1996-2001, 2007-2016
Harley-Davidson Road King FLHR 1995-2006
Harley-Davidson Street Glide EFI FLHX 2006-2016
Harley-Davidson Street Glide FLHX 2006
Harley-Davidson Street Glide Special FLHXS 2014-2016
Harley-Davidson Tour Glide Ultra Classic EFI FLTCU 1996
Harley-Davidson Tour Glide Ultra Classic FLTCU 1995-1996

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