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THUNDER TORQUE INSERTS™Increases Low & Mid Range TorqueAdjustable Sound Volume & ToneFor Your Exhaust MADE in The USA!byDK Custom Products FEATURES & SPECS:High-Temp Powder Coat FinishStainless Steel Studs (5/16" diameter)Includes All HardwareIncreases Low & Mid Range TorqueIncreased Exhaust Gas VelocityIncreased Inertial ScavengingAdjustable Sound Volume & ToneE-Z Installation Bolts into the end of the slip-on muffler (using the baffle bolt hole)Patented TechnologyMade in The USA! Do you want...

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