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Vance & Hines Monster Rounds Catalytic Slip-On

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Product Information

4in. Monster Rounds Catalytic slip-on mufflers house three-way catalytic converters that have been tested with Vance & Hines Power Duals or Dresser Duals to demonstrate that they meet emissions standards applicable in California
The real benefit of combining Vance & Hines Power Duals Black or Dresser Dual with the new Monster Round Catalytic slip-ons lies in the movement of the catalytic converter from the rear portion of the header system (as it is in the original equipment exhaust) to the muffler bodies, which yields a significant reduction in heat felt by the rider
Make just as much power as standard Monster Round slip-ons, along with the same deep and mellow tone riders have come to love
Includes finely sculpted full coverage chrome or black heat shields
Sold in pairs
Made in the USA