Description
The S&S Cycle Insert Power Tune 550-1661 delivers measurable gains in power and torque output while giving you direct control over engine tone and character—all without requiring extensive engine modifications. If you’re running a stock or mildly modified S&S engine and want responsive performance gains with the flexibility to dial in your desired sound signature, this insert-style tuner bridges the gap between bolt-on convenience and serious performance tuning. Installation is straightforward, making it an ideal choice for riders who prefer hands-on customization without professional fabrication work.
- S&S Cycle OEM compatible
- MPN: 550-1661
- Power and torque optimization
- Adjustable tone/sound control
- Bolt-on installation
- No engine removal required
- Precision-engineered insert design
- Direct throttle response improvement
- Compatible with stock fuel mapping
- Durable stainless steel construction







