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S&S Cycle 4.5" GNX Slip On Mufflers Milwaukee-8 Black

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S&S GNX mufflers Milwaukee-8 Touring Black

S&S created the GNX slip-ons with one thing in mind and that’s belting out the flag waving, eagle flying song of the American v-twin. Combining a 4.5” shell with a tuned baffle and race inspired tip, the GNX lets the sound and power flow out of the M8.

  • 4.5" slip-on with premium fit, finish, sound, and power!
  • Show quality chrome or OEM exact matching Guardian Black finish
  • New, unique louvered baffle delivers a rowdier tone
  • Removable dB Reducer
  • Clearance for 13.5" shocks
  • Made in America
  • Fits 2017-later M8 touring models

Product Series

Application List

Fitment for 550-0990


  • 550-0990
  • 550-0990
  • S&S Cycle
  • New


Shipping Information

  • Item Requires Shipping
  • 22.0 lbs.
  • W10.0000” x H30.0000” x L7.0000”