09-17 HARLEY VRSCF: Vance & Hines Competition Series 2-Into-1 Exhaust (BLACK) The Competition Series 2-into-1 is an ultra-high performance drag race exhaust system developed by the R&D team at the Vance & Hines race shop in Indianapolis, the same facility where all Vance & Hines race engines are designed, constructed and tested.Eve Featuring a high temperature matte black ceramic coating or brushed finish, the system also includes a serviceable acoustic baffle.Lightweight stainless steel construction.Tapered head pipes.Slip-fit merge collectors.Standard 12 mm and quick access 18 mm