Exhaust› Mufflers and Resonators
S&S Cycle
S&S Cycle 2.25in Power Tune XTO Muffler Insert
SKU: S0GE 550-1666
Beginner — under 30 min
Description
Part #: 550-1666
The Muffler Inserts from S&S (R) are designed to fine-tune the Power Tune XTO Exhausts, allowing you to customize and increase/decrease the performance and decibel levels.
2.25"
MIA's Description
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | S&S Cycle |
| Part Number | S0GE 550-1666 |
Videos
NEW - Power Tune XTO Exhaust for popular side by side models!
S&S Cycle - Off Road Division - Power Tune XTO Muffler Overview
S&S Cycle Tech Tips - Installing S&S Power Tune Dual Headers
S&S Cycle Installation - Touring Mufflers
S&S Cycles Swindler Exhaust Kit on a 2025 Harley-Davidson Road Glide Install & Review
S&S Cycle Product Spotlight - Sidewinder 2 into 1 Exhaust System for Touring Bikes
Harley Davidson Exhaust Install on a Street Glide (S&S Performance)
2024 Harley Road Glide Paired with S&S Cycle GNX Slip-ons -- Sound Check
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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