Thunder Torque Inserts
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Thunder Torque Inserts 118 For Increased HP & Torque$29.95Learn MoreThunder Torque Inserts™ Increase Low & Mid Range Torque
They work w/ Full Systems, Slip-on Mufflers, Drag Pipes, and Shortys.
Patented.
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Thunder Torque Inserts 158 For Increased HP & Torque$29.95Learn MoreThunder Torque Inserts™ Increase Low & Mid Range Torque
They work w/ Full Systems, Slip-on Mufflers, Drag Pipes and Shortys.
Patented.
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Thunder Torque Inserts 258 for Increased HP & Torque$29.95Learn MoreThunder Torque Inserts™ Increase Low & Mid Range Torque
They work w/ Full Systems, Slip-on Mufflers, Drag Pipes and Shortys.
Patented.