S&s Cycle Grand National Slip-on Muffler
S&s Cycle Grand National Slip-on Muffler
Available in stock (15)
-
Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your motorcycle's exhaust note with the S&S Cycle Grand National Slip-On Muffler. This muffler delivers a deep, performance-oriented rumble, replacing the stock, quiet tone with an aggressive sound. The race-inspired design and high-quality construction ensure both style and performance.
Description
The S&S Cycle Grand National Slip-On Muffler features a 4" outside diameter muffler body that provides an aggressive, race-inspired look. The removable dB reducer allows you to fine-tune the back pressure and sound level to your preference. This muffler meets J2825 sound level standards, ensuring compliance without sacrificing performance. The Grand National® end cap adds a stylish touch, while the included hardware ensures a straightforward installation. Experience enhanced sound and performance with this high-quality, US-made slip-on muffler.
Features & highlights
- Experience a deep, powerful exhaust note that enhances your bike's presence.
- Customize your bike's sound with the removable dB reducer for back pressure and sound tuning.
- Enjoy a race-inspired design with a 4" muffler body and Grand National® end cap.
- Meets J2825 sound level requirements for street-legal performance.
- Easy installation with all necessary hardware included.
- Proudly made in the USA, ensuring top-notch quality and craftsmanship.
Technical specifications
- Brand: S&S Cycle
- Product Name: Muffler
- Type: Slip-On
- Outer Diameter: 4" (10 cm)
- End Cap Style: Straight-Cut
- Material: Stainless Steel
- Color/Finish: Guardian Black
Important to know
This slip-on muffler is designed as a direct replacement for your stock muffler. Ensure compatibility with your motorcycle model before installation.
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
550-1159
Muffler
Stainless Steel
Slip-On
Black
Each
10 cm (4")
Straight-Cut


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.

