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Product description
The S&S Cycle Grand National Silencer For Harley Davidson FLHCS 1923 2025 - Guardian Black is part of the latest collection from S&S Cycle.
Features:
- Created to perfectly complement this blend of tradition and technology using advanced engineering experience to enhance performance, sound, and overall riding experience
- Designed to optimize exhaust flow and give your Softail a distinct aggressive sound while staying true to its iconic roots
- 4" muffler shell
- Race-inspired Grand National® endcap design
- Removable dB reducer included (J2825 compliant)
- All hardware and gaskets included
Specifications:
- Color/Finish: Guardian Black
- End Cap Style: Straight-Cut
- Material: Stainless Steel
- Model: Grand National
- Outer Diameter: 10 cm (4")
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- Harley Davidson FLHCS 1923 ABS 2025 Softail Heritage Classic 117 All Models
- Harley Davidson FXBB 1923 ABS 2025 Softail Street Bob 117 All Models
- Harley Davidson FXLRST 1923 ABS 2025 Softail Low Rider ST 117 H.O. All Models
- Harley Davidson FXLRS 1923 ABS 2025 Softail Low Rider S 117 H.O. All Models
Manufacturer part number: 550-1159
View all S&S Cycle. View all Parts and spares.
Contents
Your package will include the following:
- 1 X S&S Cycle Grand National Silencer For Harley Davidson FLHCS 1923 2025 - Guardian Black
To fit:
- Harley Davidson FLHCS 1923 ABS 2025 Softail Heritage Classic 117 All Models
- Harley Davidson FXBB 1923 ABS 2025 Softail Street Bob 117 All Models
- Harley Davidson FXLRST 1923 ABS 2025 Softail Low Rider ST 117 H.O. All Models
- Harley Davidson FXLRS 1923 ABS 2025 Softail Low Rider S 117 H.O. All Models

Upgrade your V-twin with S&S Cycle performance parts, known for precision-engineered engines, exhausts, intakes, and camshafts. Built for power, reliability, and American-made quality, S&S components are ideal for Harley-Davidson and Indian motorcycles. Perfect for custom builds, touring upgrades, and performance tuning across a wide range of V-twin models.
Product description
The S&S Cycle Grand National Silencer For Harley Davidson FLHCS 1923 2025 - Guardian Black is part of the latest collection from S&S Cycle.
Features:
- Created to perfectly complement this blend of tradition and technology using advanced engineering experience to enhance performance, sound, and overall riding experience
- Designed to optimize exhaust flow and give your Softail a distinct aggressive sound while staying true to its iconic roots
- 4" muffler shell
- Race-inspired Grand National® endcap design
- Removable dB reducer included (J2825 compliant)
- All hardware and gaskets included
Specifications:
- Color/Finish: Guardian Black
- End Cap Style: Straight-Cut
- Material: Stainless Steel
- Model: Grand National
- Outer Diameter: 10 cm (4")
- Product Name: Muffler
- Type: Slip-On
- Units: Each
To fit:
- Harley Davidson FLHCS 1923 ABS 2025 Softail Heritage Classic 117 All Models
- Harley Davidson FXBB 1923 ABS 2025 Softail Street Bob 117 All Models
- Harley Davidson FXLRST 1923 ABS 2025 Softail Low Rider ST 117 H.O. All Models
- Harley Davidson FXLRS 1923 ABS 2025 Softail Low Rider S 117 H.O. All Models
Manufacturer part number: 550-1159
View all S&S Cycle. View all Parts and spares.
Contents
Your package will include the following:
- 1 X S&S Cycle Grand National Silencer For Harley Davidson FLHCS 1923 2025 - Guardian Black
To fit:
- Harley Davidson FLHCS 1923 ABS 2025 Softail Heritage Classic 117 All Models
- Harley Davidson FXBB 1923 ABS 2025 Softail Street Bob 117 All Models
- Harley Davidson FXLRST 1923 ABS 2025 Softail Low Rider ST 117 H.O. All Models
- Harley Davidson FXLRS 1923 ABS 2025 Softail Low Rider S 117 H.O. All Models

Upgrade your V-twin with S&S Cycle performance parts, known for precision-engineered engines, exhausts, intakes, and camshafts. Built for power, reliability, and American-made quality, S&S components are ideal for Harley-Davidson and Indian motorcycles. Perfect for custom builds, touring upgrades, and performance tuning across a wide range of V-twin models.



































