Description
The S&S CYCLE Power Tune® XTO Muffler delivers measurable gains in power and torque while giving you real control over your exhaust note through tunable inserts—no dyno visits or expensive re-tuning required. Built for riders who refuse to compromise between performance and legality, this 49-state compliant system meets federal emissions standards without sacrificing the aggressive sound and throttle response your bike demands. Whether you’re chasing track days or commanding attention on the street, the XTO’s dual outlets and stylized tips make the performance improvement unmistakable.
- Tunable inserts included
- Power & torque optimized
- Dual outlet design
- Stylized exhaust tips
- Removable spark arrestors
- 49-state legal
- J335 forestry compliant
- Federal emissions certified
- Bolt-on installation
- MPN: 550-1035
- California: NOT legal






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