Home » S&S 550-0737 Black Grand National Slip-On RACE Mufflers 18-21 Harley Softail M8
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S&S 550-0737 Black Grand National Slip-On RACE Mufflers 18-21 Harley Softail M8

In stock
SKU: SS550-0737
$404.90
-13% $463.95 $404.90

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  • 91 hp and 113 lb/ft of torque (when used with Stealth Air Cleaner Kit on 114 ci)
  • Race inspired Grand National endcap design
  • High temp black ceramic finish
  • Removable dB reducer for back pressure and sound tuning
  • Meets J2825 levels for sound
  • All hardware and gaskets included
  • Made in USA!


    • NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE
    *Qualified Manufacturer Declared 49-State Emissions Compliant Catalyst Exhaust Component

    Fits: 2018-2021 Harley-Davidson M8 Softail Street Bob, Low Rider, Softail Slim, Fat Boy, & Breakout models (Exc. Sport Glide, Fat Bob, Heritage & Deluxe models)

    2018-2021 Harley-Davidson M8 Softail Street Bob, Low Rider, Softail Slim, Fat Boy, & Breakout models (Exc. Sport Glide, Fat Bob, Heritage & Deluxe models)
    Product Title Store SKU MFR Part #
    S&S 550-0737 Black Grand National Slip-On RACE Mufflers 18-21 Harley Softail M8 SS550-0737 550-0737