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S&S Cycle

S&S Cycle Power Tune XTO Muffler Inserts

Not Yet Reviewed

S&S Cycle Power Tune XTO muffler inserts allow power and torque tuning, as well as tone and sound adjustment. They're fabricated from 304 stainless steel and are easy to install. The inserts are available in a variety of diameters, with the larger models producing louder rumble than the factory supplied insert.

Showing In Stock Items. Show All 9 Items.

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S&S Cycle Power Tune XTO Muffler Inserts 550-1666

S&S Cycle Power Tune XTO Muffler Inserts 550-1666

S&S Cycle Power Tune XTO Muffler Inserts 550-1666

S&S Cycle 2.25in Power Tune XTO Muffler Insert

Part Number: SSY-550-1666

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1664

S&S Cycle Power Tune XTO Muffler Inserts 550-1664

S&S Cycle Power Tune XTO Muffler Inserts 550-1664

S&S Cycle 1.875in Power Tune XTO Muffler Insert

Part Number: SSY-550-1664

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1665

S&S Cycle Power Tune XTO Muffler Inserts 550-1665

S&S Cycle Power Tune XTO Muffler Inserts 550-1665

S&S Cycle 2in Power Tune XTO Muffler Insert

Part Number: SSY-550-1665

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1668

S&S Cycle Power Tune XTO Muffler Inserts 550-1668

S&S Cycle Power Tune XTO Muffler Inserts 550-1668

S&S Cycle UTV 3.5mm Holes-Front Plugged 1.75in Power Tune XTO Muffler Insert

Part Number: SSY-550-1668

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1669

S&S Cycle Power Tune XTO Muffler Inserts 550-1669

S&S Cycle Power Tune XTO Muffler Inserts 550-1669

S&S Cycle UTV 3.5mm Holes-Rear Plugged 1.75in Power Tune XTO Muffler Insert

Part Number: SSY-550-1669

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1661

S&S Cycle Power Tune XTO Muffler Inserts 550-1661

S&S Cycle Power Tune XTO Muffler Inserts 550-1661

S&S Cycle 1.5in Power Tune XTO Muffler Insert

Part Number: SSY-550-1661

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1662

S&S Cycle Power Tune XTO Muffler Inserts 550-1662

S&S Cycle Power Tune XTO Muffler Inserts 550-1662

S&S Cycle 1.625in Power Tune XTO Muffler Insert

Part Number: SSY-550-1662

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1663

S&S Cycle Power Tune XTO Muffler Inserts 550-1663

S&S Cycle Power Tune XTO Muffler Inserts 550-1663

S&S Cycle 1.75in Power Tune XTO Muffler Insert

Part Number: SSY-550-1663

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

S&S Cycle Power Tune XTO Muffler Inserts 550-1660

S&S Cycle Power Tune XTO Muffler Inserts 550-1660

S&S Cycle Power Tune XTO Muffler Inserts 550-1660

S&S Cycle 1.375in Power Tune XTO Muffler Insert

Part Number: SSY-550-1660

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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