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  • Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
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S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665

  • Part #:
    4409392
  • Manufacturer Part #:
    550-0665
Our Price: $699.95
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Ships Today! If ordered in:
0 1 HR : 0 2 MIN : 1 8 SEC
Overview of S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
  • The result of decades of riding and racing, these mufflers create a deep, performance tone
  • Improved horsepower created by using both a stainless steel perforated core removable baffle with RaceTEX cartridge packing
  • Fitted with billet end caps
  • Easy installation
  • Sold in pairs
  • Made in the U.S.A.


Included Items:

(2) Chrome steel slip on mufflers W/removeable chrome end caps and baffles

(2) Exhaust band clamps (AccuSeal)

(4) 5/16"-18 x 1/2" Hex head bolts

(4) 5/16" Split lock washers

Instructions

Specs for S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665

Color - Primary Chrome
Style Straight-Cut Tip
Type Slip-On/Muffler
Units Pair
Weight 28.90 lbs

Alternate/OEM Part Number(s):

18011074
Specs for S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
Color - Primary Chrome
Style Straight-Cut Tip
Type Slip-On/Muffler
Units Pair
Weight 28.90 lbs
Fitment for S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
See if this part fits your ride

Part 4409392 fits the following machines

Harley-Davidson
  • 2018 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 2017 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 2018 Harley-Davidson Electra Glide Ultra Limited - FLHTK
  • 2017 Harley-Davidson Electra Glide Ultra Limited - FLHTK
  • 2018 Harley-Davidson Electra Glide Ultra Limited Low - FLHTKL
  • 2017 Harley-Davidson Electra Glide Ultra Limited Low - FLHTKL
  • 2018 Harley-Davidson Road Glide - FLTRX
  • 2017 Harley-Davidson Road Glide - FLTRX
  • 2018 Harley-Davidson Road Glide Special - FLTRXS
  • 2017 Harley-Davidson Road Glide Special - FLTRXS
  • 2018 Harley-Davidson Road Glide Ultra - FLTRU
  • 2017 Harley-Davidson Road Glide Ultra - FLTRU
  • 2018 Harley-Davidson Road King - FLHR
  • 2017 Harley-Davidson Road King - FLHR
  • 2018 Harley-Davidson Road King Special - FLHRXS
  • 2017 Harley-Davidson Road King Special - FLHRXS
  • 2018 Harley-Davidson Street Glide - FLHX
  • 2017 Harley-Davidson Street Glide - FLHX
  • 2018 Harley-Davidson Street Glide Special - FLHXS
  • 2017 Harley-Davidson Street Glide Special - FLHXS
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5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
1
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0
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Finish
5.0 / 5
Fit
5.0 / 5
Performance
5.0 / 5
Styling
5.0 / 5
Value
5.0 / 5
Loudness
Very Quiet
Average
Very Loud
Would you recommend this product?
Yes (1)
Finish
5 / 5
Fit
5 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
Great purchase
I’m loving this purchase a lot! It sounds great and I can feel the increase in performance. I’d recommend this to anyone
October 14, 2017
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Instructions and Manuals for S&S Cycle Chrome 4-1/2 in. Mk45 Slip-on Mufflers w/Chrome Machined Thruster End Caps - 550-0665
Instruction Manual Instruction Manual PDF 650.6 KiB

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