S&s Cycle Gnx Slip-on Mufflers For M8 Models
S&s Cycle Gnx Slip-on Mufflers For M8 Models
Hurry up, only 2 items left in stock.
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your Harley-Davidson M8 with the S&S Cycle GNX Slip-On Mufflers. These 4.5" slip-ons deliver a deep, rumbling V-Twin sound without requiring a full exhaust system replacement. Experience enhanced performance, a premium finish, and the iconic S&S sound you crave.
Description
The S&S Cycle GNX Slip-On Mufflers are engineered to provide a significant improvement in both sound and performance for your M8-powered motorcycle. The unique louvered baffle design produces a noticeably rowdier and more aggressive tone, even when used with the stock headpipes. Featuring S&S Racing heritage styled end caps in a sleek Tuxedo Black finish, these mufflers offer a custom look that complements your bike's style. These mufflers are SAE J2825 Sound Level Compliant when the included dB reducer is installed, ensuring they meet legal sound requirements. Crafted with precision in the USA, these slip-on mufflers guarantee exceptional quality and durability. Transform your ride with the distinctive sound and performance of S&S Cycle.
Features & highlights
- Unleash a true V-Twin rumble from your M8 engine.
- Experience enhanced sound and performance with these 4.5" slip-on mufflers.
- Unique louvered baffle design delivers an aggressive, rowdier tone.
- Features S&S Racing heritage styled end caps in Tuxedo Black.
- SAE J2825 Sound Level Compliant with included dB reducer.
- Proudly made in the USA, ensuring top-notch quality.
Technical specifications
- Brand: S&S Cycle
- Product Name: Muffler
- Type: Slip-On
- Outer Diameter: 4.5" (11.5 cm)
- Muffler Color/Finish: Chrome
- End Cap Color/Finish: Tuxedo Black
Important to know
- Not for 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
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
S&S CYCLE
550-0991
Muffler
Chrome
Slip-On
Pair
11,5 cm (4-1/2")


Who is behind Parts Denmark
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.

