Power Tune® Dual HeadersAdds performance compared to the stock header pipes Independent dual-look with "under the bike" crossover Design moves the rear cylinder header away from the passenger to reduce radiated heat Stainless steel construction for superior corrosion resistance Chrome or high-temperature black heat shields with 220° coverage Hidden crossover passage between front and rear pipes for maximum performance Spherical inlet design for improved sealing and exhaust gasket durability All necessary hardware and exhaust port gaskets included Accept '95-'16 OEM-style mufflers Made in the U.S.A Use of these headers on '09-'21 H-D Trike models requires the use of Trike Adapter Kit PART #1802-0395 Have 18 mm O2 sensor fittings in the stock location for '07-'08 models. If not equipped with O2 sensors, the ports can be used for tuning. Plugs are included if the O2 sensor fittings are not used.