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About DK Custom Products Thunder Torque Inserts

DK Custom Products Thunder Torque Inserts

  • High-Temp powder coat finish
  • Stainless steel studs (5/16in. diameter)
  • Includes all hardware
  • Increases low & mid range torque
  • Increased exhaust gas velocity
  • Increased inertial scavenging
  • Adjustable Sound Volume & Tone
  • E-Z Installation bolts into the end of the slip-on muffler (using the baffle bolt hole)
  • Patented Technology
  • Made in The USA.

Warning:  California Proposition 65

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