Wild Boar By Hogtunes Liquid Cooled Lower Adapters For Harley Ultra Features Allows easy installation of most 6-1/2 speakers in Liquid Cooled Lowers only Max mounting depth of 2-1/4 High-quality injection molded parts Mounting face painted gloss black to match inner fairing color Does not interfere with shifter/rear brake operation Easy access to coolant tank Includes all required wiring and hardware to complete installation Speaker grills are not included Required amplifier is not included Will fit Boom Stage I/Ii speakers Included wire harness is labeled for easy adaptation to non Hogtunes amplifiers