Firebrand Exhaust Upstarts 2-Into-2 For Harley Softail 2007-2017
  • Firebrand Exhaust Upstarts 2-Into-2 For Harley Softail 2007-2017 - Chrome
  • Firebrand Exhaust Upstarts 2-Into-2 For Harley Softail 2007-2017 - Black

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Video Reviews (3)

Firebrand Exhaust Upstarts 2-Into-2 For Harley Softail 2007-2017 Videos

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Firebrand Upstarts 2-Into-2 Exhaust For Harley Softail

Upstarts are designed for riders wanting a custom look, without sacrificing power or sound quality. Engineered to handle todays higher displacement motors, Upstarts feature 1 3/4" head pipes stepped up to 2 1/2" quad-radical up-slash muffler bodies. Internally, stainless steel, perforated core baffles wrapped in dual density packing complete the system. The end result is cutting edge styling, increased performance and Firebrand’s high quality sound.


  • Stepped 2 1/2" muffler bodies for increased performance and quality sound
  • Full coverage 2 1/4" head pipe heat shields
  • Custom, hand crafted quad-radical up-slash styling
  • Compatible with 12mm and 18mm oxygen sensors
  • Stainless steel perforated core baffles
  • Made in the USA
5 / 5
Bang For The Buck
4 / 5
5 / 5
5 / 5
Ease Of Install
3 / 5
Fit & Finish
5 / 5
5 / 5

Fitment Notes & Exceptions

  • Also fits 1986-2006 models with use of O2 sensor plugs sold separately
This Product Fits:
Harley Davidson
Softail Blackline FXS 2011, 2012, 2013
Softail Cross Bones Springer FLSTSB 2008, 2009, 2010, 2011
Softail Custom FXSTC/I 2007, 2008, 2009, 2010
Softail Custom/Nostalgia/Special/Deluxe FLSTN/I 20072017
Softail Deuce FXSTD/I 2007
Softail Fat Boy FLSTF/I 20072017
Softail Fat Boy Lo FLSTFB 20092016
Softail Fat Boy S FLSTFBS 2016, 2017
Softail Heritage Classic FLSTC/I 20072017
Softail Night Train FXSTB/I 2007, 2008, 2009
Softail Slim FLS 20122017
Softail Slim S FLSS 2016, 2017
Softail Springer Classic FLSTSC/I 2007
Product Style RevZilla Item # Manufacturer Product # Availability
Black 1066659 12-1010 In Stock: Ships within 24 hours
Chrome 1066660 12-1009 In Stock: Ships within 24 hours


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