QC475 RM QC 475 RM "Quadcast" 4 Channel Amp with R.E.M.IT. headwrap CNC machined inner carrier with a rug CNC machined inner carrier with a floating polished Stainless Steel disc Year Make Model 1995 Harley Davidson Electra Glide Classic EFI FLHTCI 1985 Harley Davidson Electra Glide Standard FLHT 1998 1999 Harley Davidson Electra Glide Ultra Classic FLHTCU 1994 1999 Harley Davidson FLHR Road King 1998 1999 Harley Davidson FLHRCI Road King Classic 1996 1997 Harley Davidson FLHRI Road King 1987 1993 Harley Davidson FLHS Electra Glide Sport 1986 1987 Harley Davidson FLHT Electra Glide Standard 1995 1999 Harley Davidson FLHT Electra Glide Standard 1985 1999 Harley Davidson FLHTC Electra Glide Classic 1996 1999 Harley Davidson FLHTCI Electra Glide Classic 1989 1997 Harley Davidson FLHTCU Electra Glide Ultra Classic 1995 1999 Harley Davidson FLHTCUI Electra Glide Ultra Classic 1986 1990 Harley Davidson FLST Heritage Softail 1988 1999 Harley Davidson FLSTC Heritage Softail Classic 1990 1999 Harley Davidson FLSTF Fat Boy 1993 Harley Davidson FLSTN Heritage Softail Nostalgia 1994 1996 Harley Davidson FLSTN Heritage Softail Special 1997 1999 Harley Davidson FLSTS Heritage Springer 1998 1999 Harley Davidson FLTR Road Glide 1998 1999 Harley Davidson FLTRI Road Glide 1995 1999 Harley Davidson FXD Dyna Super Glide 1992 Harley Davidson FXDB D Dyna Glide Daytona 1991 Harley Davidson FXDB S Dyna Glide Sturgis 1992 Harley Davidson FXDC Super Glide Custom 1993 1999 Harley Davidson FXDL Dyna Low Rider 1995 1999 Harley Davidson FXDS Conv Dyna Convertible 1993 1999 Harley Davidson FXDWG Dyna Wide Glide 1999 Harley Davidson FXDX Dyna Super Glide Sport 1987 1994 Harley Davidson FXLR Low Rider Custom 1982 1983 Harley Davidson FXR Super Glide II 1986 Harley Davidson FXR Super Glide II 1985 Harley Davidson FXRC Low Rider Chrome 1986 Harley Davidson FXRD Sport Glide Grand Touring 1984 Harley Davidson FXRDG Disc Glide 1984 1988 Harley Davidson FXRS Low Glide 1991 1992 Harley Davidson FXRS Low Glide 1990 1993 Harley Davidson FXRS Conv Low Rider Sport Convertible 1988 1993 Harley Davidson FXRS SP Low Rider Sport 1985 1992 Harley Davidson FXRT Sport Glide 1984 1993 Harley Davidson FXST Softail Standard 1999 Harley Davidson FXSTB Night Train 1986 1999 Harley Davidson FXSTC Softail Custom 1988 1999 Harley Davidson FXSTS Springer Softail 1995 1997 Harley Davidson FXSTSB Bad Boy 1989 1990 Harley Davidson Low Rider FXRS 1993 Harley Davidson Low Rider FXRS 1998 1999 Harley Davidson Road King EFI FLHR 1987 Harley Davidson Softail Heritage Classic FLSTC 1993 Harley Davidson Sport Glide FXRT 1982 1983 Harley Davidson Super Glide II FXRS FITMENT DISCLAIMER Cast aluminum 3Ddesign provides exceptional heat management and thermal performance in high heat climates Amplifier is specifically designed to work with bikes small factory charging system