S&S CYCLE Grand National Slip-On Muffler - Stainless Steel - Speed 400 & Scrambler 400 550-1143
Verify use before ordering. This item does not list street-use, OHV, emissions, homologation, or closed-course status in the available product details. It may be intended for closed-course competition, off-road/OHV, or non-highway use only. Please check applicable rules before purchase and installation.
S&S CYCLE Grand National Slip-On Muffler - Stainless Steel - Speed 400 & Scrambler 400 550-1143 is a motorcycle exhaust component built for riders who want a catalog-matched replacement or upgrade.
Grand National Slip-On Muffler - Stainless Steel - Speed 400 & Scrambler 400 Brushed stainless steel muffler body with exposed TIG welds, Race inspired Grand National end cap, Removable dB reducer (J2825 compliant), 3-1/2 lb weight savings over stock (1.5 kg), 4% increase in power over stock, Made in the USA
Product details
- Brand: S&S CYCLE
- Product number: 18114786, 1811-4786, 550-1143
- Category: motorcycle exhaust component
- Brushed stainless steel muffler body with exposed TIG welds
- Race inspired Grand National end cap
- Removable dB reducer (J2825 compliant)
- 3-1/2 lb weight savings over stock (1.5 kg)
- 4% increase in power over stock
- Made in the USA
- Unit: Each
Confirm the SKU, selected variant, and vehicle fitment before ordering.