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S&S Cycle Power Tune XTO Muffler Insert Caps 550-1667
Part Number: SSY-550-1667
S&S Cycle Power Tune XTO Muffler Insert Caps
S&S Cycle 1.75in Power Tune XTO Muffler Insert Cap
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
550-1667
Part Type:
Product Line:
Summit Racing Part Number:
SSY-550-1667
Insert Core Diameter (in.):
1.75
Insert Core Material:
Stainless steel
Muffler Repack Kit Included:
No
Quantity:
Sold individually.
S&S Cycle Power Tune XTO Muffler Insert Caps
S&S Cycle offers insert caps for Power Tune XTO mufflers. They block off one outlet for more tuneability options. Built from 304 stainless steel and easy to install, the insert caps allow for power and torque tuning, as well as tone and sound adjustment.
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Some parts are not legal for use in California or other states with similar laws / regulations
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