Get the unmistakable signature Vance & Hines end treatment in a slip-on muffler with Twin Slash 3″ Slip-ons. Twin Slash 3″ Slip-ons now also feature our innovative PCX Technology, which integrates chambered high-flow catalysts for improved torque across the powerband along with a nice throaty tone whether you’re cruising the boulevard or carving the canyons.