Thunder Torque Insert Fits 1" Diameter & Larger Set

Features:

• High-Temp powder coat finish
• Stainless steel studs (5/16" 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!