Designed to work with factory charging systemùno upgrade required Includes fairing speakers, rear speakers, and 6.5ö speakers with adaptors for the fairing lower glove boxes Fairing speakers grills include black trim and chrome trim Speaker adaptors for fairing lower glove boxes give simple access to factory coolant tank Main portion of lower speaker adaptor is gloss black to match factory inner fairing Includes Wild Boar Audio WBA 600.4 amp and WBA 300.2 with special mounting plates All amps fit inside fairing ,are bolt in, and 100% plug and play Amplifiers feature R.E.M.I.T Technology for excellent FM Reception from a Class D amp Kit comes complete with all wiring and hardware to complete the installation Note: A Radio Reflash may be required for best performance. AMP/SPEAKER WHOLE HOG RG