Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / S&S Cycle / New

S&S Cycle 2.25in Power Tune XTO Muffler Insert

S&S Cycle · New

S&S Cycle 2.25in Power Tune XTO Muffler Insert

MPN 550-1666 · Store SKU ssc550-1666

$37.95
IN STOCK83 ready to ship

Supplier stock checked 11/7/2026, 10:14:23 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The Muffler Inserts from S&S® are designed to fine-tune the Power Tune XTO Exhausts, allowing you to customize and increase/decrease the performance and decibel levels. 2.25"

Manufacturer fitment & guides

Check 550-1666 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
More from S&S Cycle ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.