PCX (Power Chamber Exhaust) technology Chambered high-flow catalyst cartridge designed to increase torque Full coverage heat shield Power chamber hidden crossover CNC machined billet end cap 49-state emissions compliant Includes mounting hardware and installation instructions Made in the U.S.A. - Harley-Davidson Softail Slim FLS (2012, 2013, 2016, 2014, 2017, 2015); Harley-Davidson Fat Boy S FLSTFBS (2016, 2017); Harley-Davidson Fat Boy Lo FLSTFB (2010, 2014, 2015, 2016, 2013, 2011, 2012, 2017); Harley-Davidson Softail Heritage Classic EFI FLSTCI (2017, 2013, 2010, 2014, 2011, 2012, 2015, 2016); Harley-Davidson Softail Deluxe EFI FLSTNI (2013, 2010, 2011, 2014, 2015, 2016, 2017, 2012); Harley-Davidson CVO Softail Deluxe FLSTNSE (2014, 2015); Harley-Davidson Softail Fat Boy EFI FLSTFI (2014, 2016, 2011, 2017, 2012, 2015, 2013, 2010); Harley-Davidson Softail Slim S FLSS (2016, 2017); Harley-Davidson CVO Softail Convertible FLSTSE (2010); Harley-Davidson CVO Softail Convertible FLSTSE2 (2011)