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Thunder Torque Inserts

3 Item(s)

per page
  1.  DK Custom Thunder Torque Inserts Increase Torque & give Flexibility in sound volume increasing inertial scavenging reducing engine pumping losses, increasing exhaust gas velocity Harley Davidson

    Thunder Torque Inserts 118 For Increased HP & Torque

    Thunder Torque Inserts™ Increase Low & Mid Range Torque 

    They work w/ Full Systems, Slip-on Mufflers, Drag Pipes, and Shortys.

    Patented.

    Starting at 18.95

  2.  DK Custom Thunder Torque Inserts Increase Torque & give Flexibility in sound volume increasing inertial scavenging reducing engine pumping losses, increasing exhaust gas velocity Harley Davidson

    Thunder Torque Inserts 158 For Increased HP & Torque

    Thunder Torque Inserts™ Increase Low & Mid Range Torque

    They work w/ Full Systems, Slip-on Mufflers, Drag Pipes and Shortys.

    Patented.

    Starting at 18.95

  3. Thunder Torque Inserts 258 for Increased HP & Torque

    Thunder Torque Inserts 258 for Increased HP & Torque

    Thunder Torque Inserts™ Increase Low & Mid Range Torque

    They work w/ Full Systems, Slip-on Mufflers, Drag Pipes and Shortys.

    Patented.

    Starting at 18.95

3 Item(s)

per page