Description The S&S Cycle 4″ Grand National Slip-On Muffler America quality and race focused past have culminated in an aggressive yet affordable slip-on, perfect for your H-D Softail. Add a mean bark to your bike without the overbearing sound that comes from a full system. The Softail is known for its performance-oriented design and modern features while maintaining the classic styling cues. S&S Cycle created the Grand National Slip-On Muffler to perfectly complement this blend of tradition and technology using our advanced engineering experience and technology to enhance performance, sound, and overall riding experience. The Grand National slip-on is designed to optimize exhaust flow and give your Softail a distinct aggressive sound while staying true to its iconic roots. – FEATURES: Race-inspired design with a 4″ outside diameter muffler body Removable dB reducer for back pressure and sound tuning Meet J2825 levels for sound Grand National end cap All hardware included Deep-performance rumble replaces stock whisper tone Made in the USA – SOUND CLIPS With DB Without DB – FITMENTS: 2025 Harley-Davidson Softail Low Rider S FXLRS – – 2025 Harley-Davidson Softail Low Rider ST FXLRST – – 2025 Harley-Davidson Softail Heritage Classic FLHC – – 2025 Harley-Davidson Softail Street Bob FXBB – – –
