Tailgunner USA FLGS-201SB Gunships Stealth Black Barrels (Pair) Tailgunner GUNSHIPS feature fully rotating barrels, a very deep sound, and they deliver performance where you need it most: the low to middle range. They are an easy, direct bolt-on installation for all Harley touring models. GUNSHIPS also come with a full one-year mechanical warranty. GUNSHIPS are an easy, direct bolt-on replacement for all 1995-2017 H-D dresser models  Road King, Electra Glide, Street Glide , Ultra Glide, Road Glide as well as CVO, Screaming Eagle, and RUSHMORE etc. models GUNSHIPS use big 2.5? diameter power-baffles that produce a much louder sound than stock mufflers yet are still civil. They are deep, throaty and have a rumble that lets you know your riding a Harley-Davidson.