Skip to product information
Part Number : 550-1159
550-1159
The S&S CYCLE Grand National black slip-on for Harley Davidson FXLRST 1923 ABS Softail Low Rider ST 117 H.O. 2025 was built to enhance both the heritage and performance of your Harley-Davidson Softail, combining iconic styling with modern exhaust technology. The 4" muffler body features a race-inspired Grand National end cap, designed to optimize exhaust flow and deliver a bold, deep exhaust note.
It includes a removable dB reducer (SAE J2825 compliant) for sound adjustment, and the kit comes complete with all necessary mounting hardware and gaskets. Precision-engineered in the USA to bring out the best in your V-Twin.
4” (10 cm) muffler body
CNC-machined Grand National end cap
Aggressive and distinctive V-Twin tone
Removable dB reducer included (SAE J2825)
Optimized exhaust flow for performance
Fits Harley-Davidson Softail models
All mounting hardware and gaskets included
Made in the USA
FITMENT INFORMATION
2025 Harley Davidson Street Bob, Low Rider S,
Low Rider ST, Heritage Classic Softail Models.
SLIP ON MUFFLER 2025 SOFTAIL BLACK 64901405 550-1159 550-1159
Part Number : 550-1159
550-1159
The S&S CYCLE Grand National black slip-on for Harley Davidson FXLRST 1923 ABS Softail Low Rider ST 117 H.O. 2025 was built to enhance both the heritage and performance of your Harley-Davidson Softail, combining iconic styling with modern exhaust technology. The 4" muffler body features a race-inspired Grand National end cap, designed to optimize exhaust flow and deliver a bold, deep exhaust note.
It includes a removable dB reducer (SAE J2825 compliant) for sound adjustment, and the kit comes complete with all necessary mounting hardware and gaskets. Precision-engineered in the USA to bring out the best in your V-Twin.
4” (10 cm) muffler body
CNC-machined Grand National end cap
Aggressive and distinctive V-Twin tone
Removable dB reducer included (SAE J2825)
Optimized exhaust flow for performance
Fits Harley-Davidson Softail models
All mounting hardware and gaskets included
Made in the USA
FITMENT INFORMATION
2025 Harley Davidson Street Bob, Low Rider S,
Low Rider ST, Heritage Classic Softail Models.
$1,070.01