Grand National Slip-On Muffler — 4" outer diameter, Guardian Black

S&S CYCLE Grand National Slip-On Muffler — 4" outer diameter, Guardian Black – 25-26 Softail

S&S CYCLE
1801-1845
550-1159
Race-inspired tone, removable dB reducer, meets J2825, hardware included, made in USA.
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€519.73
€630.85
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Race-inspired profile amplifies low-frequency rumble, replacing stock whisper tones with a deep, performance-oriented exhaust note.

Includes a removable dB reducer so you can fine-tune back pressure and sound output.

Meets J2825 sound levels for compliance without sacrificing character.

Signature end cap and complete mounting hardware are included for straightforward installation.

Manufactured in the United States to exacting quality standards.

: 1801-1845
In Stock

Data sheet

Type
Slip-On
Units
Each
Color/Finish
Guardian Black
Base Color
Black
Brand
S&S CYCLE
End Cap Style
Straight-Cut
Outer Diameter
10 cm (4")
Material
Stainless Steel
Harley Family
Softail

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Softail Heritage Classic 117 Softail 2025
Harley Davidson Softail Heritage Classic 117 Softail 2026
Harley Davidson Softail Street Bob 117 Softail 2025
Harley Davidson Softail Street Bob 117 Softail 2026
Harley Davidson Softail Low Rider S 117 H.O. Softail 2025
Harley Davidson Softail Low Rider S 117 H.O. Softail 2026
Harley Davidson Softail Low Rider ST 117 H.O. Softail 2025
Harley Davidson Softail Low Rider ST 117 H.O. Softail 2026