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FireSweep Series Exhaust System - 12123D

  • Part #:
    4404775
  • Mfg Part #:
    12123D
  • OEM/Ref#:
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FireSweep Series Exhaust System - 12123D

  • Part #:
    4404775
  • Mfg Part #:
    12123D
  • OEM/Ref#:
Price: $619.95
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Bassani FireSweep Series Exhaust System - 12123D
  • Heavy-gauge steel construction with 1-3/4 in. headers and 2-1/2 in. mufflers
  • Includes heat shields and removable baffles (baffles are non-removable on Firesweep models)
  • O2 sensor port plugs, mounting bracket and hardware included
  • Also available with chrome finish(44-04771)
  • Made in the U.S.A.

NOTE: 12-up models require O2 sensor port 18mm to 12mm adaptors - Part No. 44-06482

Included Items:
(1) Front headpipe w/non-removable baffle
(1) Rear headpipe w/non-removable baffle
(1) Front headpipe heat shield
(1) Rear headpipe heatshield
(5) #24 Hose clamps
(2) 5/16-18 x 3/4 in. Square head bolts
(2) 3/8-16 x1-1/2 in. Hex head bolts
(2) 5/16 -18 Flange nuts
(2) 3/8 in. Flat washers
(1) Mounting bracket
(2) 3/8-16 x 1 in. Hex head bolts
(2) 1/2 in. Aluminum spacers
(2) O2 Sensor plugs
(2) 3/8 in. Split lock washers

NOTE: Not all products are legal for sale or use on pollution controlled vehicles. Check your local laws and the manufacturers information.

There is no warranty on exhaust pipes and mufflers with regard to any discoloration. Discoloration (bluing) is the result of tuning characteristics, cam timing, carburetor jetting, overheating, etc., and is not caused by defective manufacturing. See the CHEMS/LUBES section for products that will help prevent or remove bluing.

Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installing their product. If a jet kit or fuel processor is recommended, see the FUEL/INTAKE section.

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specifications
Part #: 4404775
Mfg #: 12123D
Color - Primary Black
Style Turnout Tip
Type 2-Into-2 System
Units Each
Weight 22.50 lbs
Alternate/OEM Part Number(s):
18001158
UPC Code:
810594019346
Resources & Manuals
Fitment for Bassani FireSweep Series Exhaust System - 12123D

Part 4404775 fits the following machines

Harley-Davidson
  • Heritage Softail - FLST 1986-1990, 2006
  • Heritage Softail Classic - FLSTC 1987-2006, 2009-2017
  • Heritage Softail Classic (EFI) - FLSTC 2007-2008
  • Heritage Softail Classic Injected - FLSTC I 2001-2006
  • Heritage Softail Injected - FLST I 2006
  • Heritage Softail Nostalgia - FLSTN 1993
  • Heritage Softail Special - FLSTN 1994-1996
  • Heritage Softail Springer - FLSTS 1997-2003
  • Heritage Softail Springer Injected - FLSTS I 2001-2003
  • Softail - FXST 1986-1993
  • Softail Blackline - FXS 2011-2013
  • Softail Convertible CVO/SE - FLSTSE 2010
  • Softail Convertible CVO/SE - FLSTSE 2 2011
  • Softail Convertible CVO/SE - FLSTSE 3 2012
  • Softail Cross Bones - FLSTSB 2009-2011
  • Softail Cross Bones (EFI) - FLSTSB 2008
  • Softail Custom - FXSTC 1986-1999, 2009-2010
  • Softail Custom (EFI) - FXSTC 2007-2008
  • Softail Deluxe - FLSTN 2005-2006, 2009-2017
  • Softail Deluxe (EFI) - FLSTN 2007-2008
  • Softail Deluxe CVO/SE - FLSTNSE 2014-2015
  • Softail Deluxe Injected - FLSTN I 2005-2006
  • Softail Deuce - FXSTD 2000-2006
  • Softail Deuce (EFI) - FXSTD 2007
  • Softail Deuce Injected - FXSTD I 2001-2006
  • Softail Deuce Injected CVO/SE - FXSTDSE 2003
  • Softail Deuce Injected CVO/SE - FXSTDSE 2 2004
  • Softail Fat Boy - FLSTF 1990-2006, 2009-2017
  • Softail Fat Boy (EFI) - FLSTF 2007-2008
  • Softail Fat Boy Injected - FLSTF I 2001-2006
  • Softail Fat Boy Injected CVO/SE - FLSTFSE 2005
  • Softail Fat Boy Injected CVO/SE - FLSTFSE 2 2006
  • Softail Fat Boy Lo - FLSTFB 2010-2016
  • Softail Fat Boy S - FLSTFBS 2016-2017
  • Softail Night Train - FXSTB 1999-2006, 2009
  • Softail Night Train (EFI) - FXSTB 2007-2008
  • Softail Night Train Injected - FXSTB I 2001-2006
  • Softail Slim - FLS 2012-2017
  • Softail Slim S - FLSS 2016-2017
  • Softail Springer - FXSTS 1988-2006
  • Softail Springer Bad Boy - FXSTSB 1995-1997
  • Softail Springer Classic - FLSTSC 2005-2006
  • Softail Springer Classic (EFI) - FLSTSC 2007
  • Softail Springer Classic Injected - FLSTSC I 2005-2006
  • Softail Springer CVO/SE (EFI) - FXSTSSE 2007
  • Softail Springer CVO/SE (EFI) - FXSTSSE 2 2008
  • Softail Springer Injected - FXSTS I 2001-2006
  • Softail Standard - FXST 1999-2006
  • Softail Standard (EFI) - FXST 2007
  • Softail Standard Injected - FXST I 2001-2006
Reviews & Questions
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5.0 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
6
0
0
0
0
Finish
5.0 / 5
Performance
5.0 / 5
Loudness
Very Quiet
Average
Very Loud
Finish
5 / 5
Performance
5 / 5
Very nice exhaust!
Looks great on my 2009 FXDF. Sound is very unique and very Bassani. No other exhaust has this kind of sound.

Thoroughly happy with Dennis Kirk and my new Bassani!! Made my bike a totally different animal!
March 21, 2011
Finish
5 / 5
Performance
5 / 5
Bassani Firesweeps on 2010 Street Bob
These pipes are loud, I had V&H slip ons and these are twice as loud. The fit is great,finish is fantastic. You need the thin exhaust gaskets not the tapered ones for installation. I love them,just don't start up in a garage.
August 3, 2011
Finish
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
No Review Title Entered By User
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March 12, 2011
exhaust
easy to install but you do need forward controls,looks great ,sounds better
May 7, 2016
Finish
5 / 5
Performance
5 / 5
Great choice
I love these pipes. They're loud and mean sounding. They were real easy to install. They totally change the bike. My only complaint is that they drag when you corner hard.
May 15, 2015
Deer Park, WA
Finish
5 / 5
Performance
5 / 5
No Review Title Entered By User
No Review Text Entered By User
December 31, 2010