Categories
- Audio & communication( 96 )
- Bike protection( 35 )
- Brakes
- Electrical( 82 )
- Engine
- Exhaust
- Fairings & body( 128 )
- Footrests & floorboards
- Frame & suspension( 533 )
- Fuel & air systems( 0 )
- Handlebars controls & mirrors( 569 )
- Lighting( 159 )
- Saddlebags & luggage( 59 )
- Seats( 923 )
- Sissy bars( 0 )
- Transmission & drivetrain( 166 )
- Wheels & accessories( 85 )
- All collections
S&S Cycle GNX Slip-On Mufflers for M8 FL, Black โ 550-0990
Regular price $593.95 USD
Category:
Upgrade your M8 FL motorcycle with S&S Cycle GNX Slip-On Mufflers, part number 550-0990. Designed for riders who want a premium combination of fit, finish, sound, and performance, these mufflers feature large-body construction and distinctive S&S racing heritage styling. The black tuxedo finish provides a clean, understated appearance that complements a wide range of custom and factory motorcycle builds.
The GNX mufflers are engineered to deliver a refined exhaust note while meeting SAE J2825 sound-level requirements when the included dB reducer is installed. This makes them a practical choice for riders seeking enhanced exhaust character without sacrificing responsible sound control. The reducer is supplied with the mufflers, allowing the system to be configured for compliant operation according to the applicable installation conditions.
Each muffler is relieved to provide clearance for shocks with extended travel, helping support installation on compatible M8 FL applications. S&S Cycle builds these mufflers with attention to





