Taking inspiration from the racing exhausts of Vance & Hines-built Harley-Davidson flat track bikes; the Eliminator 300 Slip-ons were exclusively designed for the Milwaukee-Eight Softail line-up featuring matched finishes to the factory head pipe heat shields. Now integrating innovative PCX™ technology with chambered high-flow catalysts; Eliminator 300 Slip-ons produce more torque and a refined rumble reminiscent of a tuned dirt tracker at the Grand Nationals. - PCX™ (Power Chamber Exhaust) technology - Chambered High-Flow catalyst cartridge designed to increase torque- CNC machined billet end caps. Vance & Hines innovative PCX™ Technology explained: More Power & Less Heat. The PCX™ (Power Chamber Exhaust) Technology are factually chambered high-flow catalysts. Used to increase mid-range torque for more responsive acceleration off the line. They are positioned downstream for up to 20% less heat at the floorboards / foot pegs and 50% less heat at the collector; to optimize rider comfort over the stock system. PCX™ technology uses a high-flow double-matrix catalyst that improves torque delivery through the mid-range for more responsive acceleration. All while producing an even deeper full-throated rumble; all with no compromise to the styling of any Vance & Hines exhaust system. Tech tip: Pre-2021 USA mufflers on a 2021-up EU Softail/Touring? The FuelPak FP4 (part number 942227) allows you to disable the 2nd. downstream O2 sensor; without triggering trouble codes. Thi