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Features
The S&S Grand National Slip-On Muffler gives your bike a stronger sound and a cleaner look with a straightforward bolt-on install. It is made from stainless steel.
Fits 2024-2025 Triumph models. Check the fitment chart below to confirm your exact year and model.
Part of the S&S Grand National line.
- 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
Info
Shipping Information
Due to high volume some orders can take up to 14 business days to ship.
If your order contains a part and merch, they may ship separately.
CARB Notes
50-State Legal — Qualified manufacturer declared U.S. 50-State legal emissions replacement part on all '24-'25 Triumph 400 Models.
Specs
| Product Name | S&S Grand National Slip-On Muffler - Stainless Steel - Speed 400 & Scrambler 400 for Triumph |
|---|---|
| Type | Slip-On |
| Model | Grand National |
| Units | Each |
| Riding Style | Street |
Fitment
| Position | Notes |
|---|
No matching vehicles.
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