S&s Cycle Gnx Slip-on Mufflers For Harley-davidson M8
S&s Cycle Gnx Slip-on Mufflers For Harley-davidson M8
About this product
About this product
Upgrade your Harley-Davidson M8 with the S&S Cycle GNX Slip-On Mufflers and experience a true V-Twin rumble. These 4.5" slip-ons deliver a premium combination of fit, finish, sound, and power, all while maintaining SAE J2825 sound level compliance.
Description
The S&S Cycle GNX Slip-On Mufflers are engineered to provide your M8 motorcycle with an enhanced exhaust note and improved performance. The unique louvered baffle design produces a rowdier and more aggressive tone, even when used with stock headpipes. Finished with a stylish Tuxedo Black end cap that reflects S&S's racing heritage, these mufflers offer both performance and aesthetics. Easy to install and made in the USA, these slip-ons allow you to unleash the full potential of your Harley-Davidson M8. Experience the difference in sound and performance that S&S Cycle delivers.
Features & highlights
- Enhance your Harley-Davidson M8 with a deep, aggressive V-Twin rumble.
- Experience improved performance and sound without needing a full exhaust system.
- The unique louvered baffle delivers a louder and more distinctive exhaust note.
- Features an S&S Racing heritage styled end cap with a Tuxedo Black finish for a sleek look.
- SAE J2825 Sound Level Compliant with included dB reducer.
- Proudly made in the USA.
Technical specifications
- Brand: S&S Cycle
- Type: Slip-On
- Outer Diameter: 4.5" (11.5 cm)
- End Cap Color/Finish: Tuxedo Black
- Muffler Color/Finish: Black
- Units: Pair
Important to know
These slip-on mufflers are specifically designed for Harley-Davidson M8 models and are not compatible with Trike applications.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
S&S CYCLE
550-0990
Muffler
Slip-On
Black
Pair
11,5 cm (4-1/2")
Reviews


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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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