Availability
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.
Not Yet Reviewed
$29.95
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.
Not Yet Reviewed
$25.95
—
$40.95
Modal Header