Vance & Hines PCX Big Radius 2-Into-2 Exhaust For Harley Softail Delivering the best of both worlds, radical custom-bike styling with high quality details like precision-cut full coverage heat shields, Big Radius reset the bar for aftermarket exhaust systems. Now featuring our innovative PCX Technology, which integrates chambered high-flow catalysts for a boost in torque while producing the deep throaty growl you want from your v-twin machine. Features: PCX (Power Chamber Exhaust) Technology Chambered High-Flow Catalyst Cartridge Designed to Increase Torque Full Coverage Heat Shields Available in Chrome or Matte Black Note: The selected finish/color refers to the full-coverage heat shields. The underlying header pipe finish/color may vary. Once installed, the selected color will be the primary visible finish.