Description
If you’re serious about extracting maximum performance from your engine, exhaust system design directly impacts your power output. The S&S Cycle Grand National Mufflers deliver a measurable 17% horsepower gain and 9% torque increase when paired with the Stealth Air Cleaner Kit—that’s real-world performance backed by engineering, not marketing promises. Built with a stainless steel perforated baffle design and engineered for a deep, purposeful rumble, these mufflers give your engine the breathing room it needs while maintaining the acoustic character serious riders demand.
- Stainless steel construction
- Perforated baffle design
- Removable dB reducer included
- Up to 17% horsepower gain
- Up to 9% torque increase
- Race-inspired engineering
- Deep performance tone
- Made in USA
- MPN: 550-0725
- Ceramic black finish
