V&H Twin Slash 3In Slip-Ons PCX Chrome Indian Scout 15-22 (Was V18623)V&H Twin Slash 3In Slip Ons PCX Chrome Indian Scout 15 22 (Was V18623) Get the unmistakable signature Vance & Hines end treatment in a slip on muffler with Twin Slash 3? Slip ons. Available for the Indian Scout and Scout Bobber, 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 youre cruising the boulevard