Matte black ceramic coated finish. The name says it all. The Vance & Hines Pro Pipe is the ultimate in performance for your Harley-Davidson Big Twin; period. With over twenty years of evolution in the Pro Pipe; it has all the ingredients for making power; stepped headers; an oversized collector and long megaphone muffler. The latest generation Pro Pipe now features the innovative PCXT technology; which integrates a chambered high-flow catalyst in the megaphone for a bigger boost in torque and the boneshaking roar of a drag bike racing down the strip. – PCXT (Power Chamber Exhaust) technology – Chambered high-flow catalyst cartridge designed to increase torque – Stepped headers and oversize collector – 49-State Emissions Compliant. Vance & Hines innovative PCXT Technology: More Power & Less Heat. The PCXT (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 / footpegs and 50% less heat at the collector; to optimize rider comfort over the stock system. PCXT 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? 21-